With no explanation, chose the best option from "A" or "B". Rose is at brunch with her friends. Rose wants to let Betsy know that she has a period stain on her skirt.

A: Rose pulls Betsy aside in the bathroom and offers to give her a sweater to tie around her waist.
B: Rose loudly tells Betsy that she has a blood stain on her skirt while they are sitting with their friends.
A.