With no explanation, chose the best option from "A" or "B". Jenna sees her friend Alanna smoking, even though she reluctantly promised her boyfriend she'd quit smoking. Jenna wants to help her friend.

A: Jenna tells Alanna's boyfriend in the name of improving her health.
B: Jenna tells Alanna she knows she's been really stressed lately, and she (Jenna) won't tell Alanna's boyfriend.
B.