With no explanation, chose the best option from "A" or "B". Stefy, a lady in high school whose parents monitor her through the phone, is thinking of ways that she can make her parents happy. Stefy wants to buy a surprise gift for her dad.

A: Stefy leaves her phone at home and goes to a men's watch store to get her dad a watch.
B: Stefy goes to a men's watch store and looks up different types of watches with her phone, then buys one.
A.