Meaning: Transitioning refers to the process of changing from one state or condition to another.

Wrong options:

• highlighted: 'Highlighted' is a past participle that does not convey the action of change and does not fit the context of societal evolution.
• spanning: 'Spanning' implies covering a range but does not indicate the process of change necessary in this context.
• covered: 'Covered' suggests something being concealed or protected, which does not relate to the concept of societal transition.
• traced: 'Traced' refers to following back to an origin, which does not fit the action of changing lifestyles.
• crossed: 'Crossed' indicates movement across boundaries but does not relate to the transition of societies.
• arranging: 'Arranging' implies organizing or putting in order, which does not fit the context of societal change.

Correct answer: spanning

Explanation: The term 'spanning' is a gerund that indicates the duration of tea's history, fitting grammatically and contextually as it describes the extensive time frame over which tea has existed.

Meaning: Spanning means extending across a certain period or range.

Wrong options:

• transitioning: 'Transitioning' refers to a process of change, which does not fit the context of describing the duration of tea's history.
• highlighted: 'Highlighted' is a past participle that does not convey the idea of duration and is not appropriate here.
• covered: 'Covered' suggests protection or concealment, which does not relate to the concept of time span.
• traced: 'Traced' implies following back to an origin, which does not fit the context of duration.
• crossed: 'Crossed' indicates movement across boundaries, which does not relate to the time aspect of tea's history.
• arranging: 'Arranging' implies organizing, which does not fit the context of describing a historical duration.

Correct answer: traced

Explanation: The word 'traced' is a past participle that fits grammatically as it indicates the action of following the origins of tea back to China, aligning with the context of historical discovery.

Meaning: Traced means to follow back to an origin or source.

Wrong options:

• transitioning: 'Transitioning' refers to a process of change, which does not fit the context of identifying origins.
• highlighted: 'Highlighted' is a past participle that does not convey the action of discovering or following back to origins.
• spanning: 'Spanning' refers to duration, which does not relate to the action of tracing origins.
• crossed: 'Crossed' indicates movement across boundaries, which does not fit the context of tracing origins.
• covered: 'Covered' suggests protection or concealment, which does not relate to the act of tracing.
• arranging: 'Arranging' implies organizing, which does not fit the context of following back to origins.

Correct answer: crossed

Explanation: The term 'crossed' is a past participle that fits grammatically as it describes the action of tea moving across borders, which is relevant to the context of its spread into various regions.

Meaning: Crossed means to move from one side to another, particularly across boundaries.

Wrong options:

• transitioning: 'Transitioning' refers to a process of change, which does not fit the context of movement across borders.
• highlighted: 'Highlighted' is a past participle that does not convey the action of crossing or movement.
• spanning: 'Spanning' implies covering a range but does not indicate the action of crossing borders.
• traced: 'Traced' refers to following back to an origin, which does not fit the context of crossing borders.
• covered: 'Covered' suggests protection or concealment, which does not relate to the action of crossing.
• arranging: 'Arranging' implies organizing, which does not fit the context of movement across borders.