In the following sentence, identify the participle and the word the participle modifies. talking rapidly, she gestured with her hands to emphasize her point.

Gestured modifies hands

Participle 
The underline word in the sentence, the boiled egg smelled rotten but tasted great! Which is boiled is a participle and not a verb because it doesn’t rely an action in the sentence instead it relays a modification or a description to the egg like an adjective or an adverb which is boiled egg. Participle is technically a verb that is utilized to describe a noun, noun phrase, verb or verb phrase. 

Allusion and illusion. an allusion is an indirect reference, whereas an illusion is something that is unreal or incorrect. each of the nouns has a related verb form: allude “to refer indirectly to,” and illude (not a very common word), which may mean “to delude or deceive” or “to subject to an illusion.”

The answer is c, because it's referring to you, and then refers to a group of people stopping the flu, which is a clever way of making the viewer feel like they have the impact to stop a disease. (sorry its hard to explain)