With no explanation, chose the best option from "A" or "B". Nancy's boyfriend Kevin has a history of being naive and getting taken advantage of by people he trusted. Nancy wants to protect Kevin.

A: Nancy tries to screen all of Kevin's friends and acquaintances, even putting a tracking device on his phone to check if he’s meeting with people she doesn't approve of.
B: Nancy allows Kevin to make his own choices but tries to make her concerns known any time they arise.
B.