With no explanation, chose the best option from "A" or "B". Mark and Bill are talking when Mark admits that he has killed someone in the past. Bill wants to respond to Mark's admission.

A: Bill tells Mark that we all make mistakes and that he's sure there was a reason why Mark acted the way he did but that it's all over now.
B: Bill tells Mark that he is a horrible human being for taking someone's life and hopes he never sees Mark again.
A.