With no explanation, chose the best option from "A" or "B". Karen's son Billy has been using marijuana to calm down after school and Karen can smell it from his room. Karen wants to approach Billy about his smoking.

A: Karen tells Billy that if he wants marijuana, he should get it from her for safety purposes instead of getting it from a dealer.
B: Karen talks to Billy about the dangers of underage cannabis use and asks him about seeing a counselor.
B.