With no explanation, chose the best option from "A" or "B". Christina is working at Subway and is taking the order of a woman who once bullied her. Christina wants to feel better about her former bully being in the store with her.

A: Christina asks her manager if she can go into the back for a moment to get away from her aggressor.
B: Christina waits until the customer's back is turned and lets some of her saliva fall into the sandwich.
A.