Similes use the words LIKE or AS to compare things and metaphors directly states a comparison
I feel like b isn’t grammatically correct, so I’ll go with a.
Answer:D. to generate interest among the audience
Explanation:
The preview of a presentation should generally include an attention-catcher, a positioning statement, and an overview. The objective of a preview is to accomplish the following: create interest, show benefits, demonstrate value, and encourage action.
