Answer:
A noun is a person, place, or thing
Explanation:
The answer is B unreliable narrator. This is the correct answer because he is not always trustworthy so you shouldn't rely on this narrator.
A would make more sense as the answer because a persuasive essay is opinionated so you should have opiniobs that go along with yours to be able to have more of a "backup" if you will. More people saying helps the reader feel more obligated to that opinion