Meaning: To 'construct' means to build or create something, in this case, digital identities.

Wrong options:

• suffer: The verb 'suffer' implies experiencing pain or distress, which does not relate to the action of creating identities.
• treating: The gerund 'treating' suggests a process of handling or dealing with something, but it does not fit the context of identity creation.
• postponing: The verb 'postponing' means to delay or defer, which is contrary to the idea of actively constructing identities.
• portion: The noun 'portion' refers to a part of something, which does not fit as it does not describe an action.
• echoing: The verb 'echoing' means to repeat or reflect, which does not relate to the act of constructing identities.
• surpassing: The verb 'surpassing' means to exceed or go beyond, which does not fit the context of identity creation.

Correct answer: portion

Explanation: The noun 'portion' fits grammatically as it refers to a part of the total images being discussed. Contextually, it indicates that a significant part of the selfies focuses on appearance.

Meaning: A 'portion' is a part or segment of a whole, in this case, the images shared online.

Wrong options:

• suffer: The verb 'suffer' does not fit as it refers to experiencing pain, which is unrelated to the context of images.
• treating: The gerund 'treating' does not fit as it implies handling something, not quantifying images.
• construct: The verb 'construct' does not fit here as it refers to creating, not describing a part of images.
• echoing: The verb 'echoing' does not fit as it describes repetition, not a part of the images.
• surpassing: The verb 'surpassing' does not fit as it indicates exceeding, not describing a quantity of images.
• postponing: The verb 'postponing' does not fit as it refers to delaying, which is unrelated to the context of images.

Correct answer: surpassing

Explanation: The gerund 'surpassing' fits grammatically as it describes the action of the images focusing on appearance more than other categories. It aligns with the context of frequency in the sentence.

Meaning: To 'surpass' means to exceed or be greater than something, in this case, other categories of images.

Wrong options:

• suffer: The verb 'suffer' does not fit as it refers to experiencing pain, which is unrelated to the context of image frequency.
• treating: The gerund 'treating' does not fit as it implies handling something, not describing frequency.
• construct: The verb 'construct' does not fit as it refers to creating, not comparing frequencies of images.
• echoing: The verb 'echoing' does not fit as it describes repetition, not a comparison of frequency.
• portion: The noun 'portion' does not fit as it refers to a part, not an action of exceeding.
• postponing: The verb 'postponing' does not fit as it refers to delaying, which is unrelated to the context of frequency.

Correct answer: echoing

Explanation: The gerund 'echoing' fits grammatically as it describes the action of reflecting a sentiment. Contextually, it aligns with the idea that individuals' behaviors online reflect a broader sentiment about performance in the virtual world.

Meaning: To 'echo' means to reflect or repeat an idea or sentiment, in this case, the sentiment of being performers online.

Wrong options:

• suffer: The verb 'suffer' does not fit as it refers to experiencing pain, which is unrelated to reflecting sentiments.
• treating: The gerund 'treating' does not fit as it implies handling something, not reflecting a sentiment.
• construct: The verb 'construct' does not fit as it refers to creating, not reflecting sentiments.
• portion: The noun 'portion' does not fit as it refers to a part, not an action of reflecting.
• surpassing: The verb 'surpassing' does not fit as it indicates exceeding, not reflecting a sentiment.
• postponing: The verb 'postponing' does not fit as it refers to delaying, which is unrelated to the context of reflecting sentiments.