With no explanation, chose the best option from "A" or "B". Jenny has a son who's a very picky eater and will only eat pizza and fast food. Jenny wants to make sure her son maintains a healthy appetite.

A: Jenny starts to incorporate vegetables into meals with the fast food to get her son used to eating a more rounded diet.
B: Jenny allows her son to continue eating mainly fast food out of concern that changing foods may disrupt his eating habits.
A.