With no explanation, chose the best option from "A" or "B". Adam sees Roger being picked on at school every day on his way from one class to the next, and sees the same thing happening today. Adam needs to get to his next class.

A: Adam pretends not to notice as he walks by, hurrying on to his next class.
B: Adam stops and intervenes on Roger's behalf for a moment, before continuing on to class.
B.