With no explanation, chose the best option from "A" or "B". Leah is a teenager raised in a conservative Christian family who only taught her about abstinence, but she has started dating a boy from her school who she really likes. Leah wants to become more intimate with her boyfriend.

A: Leah just follows her boyfriend's lead, and they secretly have sex without using protection.
B: Leah does her own research online and calls her doctor to ask her for advice on how to have safe sex.
B.