With no explanation, chose the best option from "A" or "B". Bill is at work talking with his boss who is giving him a performance review. Bill wants to look good in front of his boss.

A: Bill's boss asks about a mistake Bill made during the last year and Bill uses the opportunity to explain what he learned from making that mistake to his boss.
B: Bill's boss asks Bill about a mistake he made and as to look better, Bill blamed others for the event.
A.