With no explanation, chose the best option from "A" or "B". Sarah's husband Jay is away on a business trip, and she needs someone to help her study her flashcards for an upcoming nurses exam. Sarah wants Jay's friend, Tom, to help her study.

A: Sarah goes over to Tom's late in the evening to study, when he suggests that she stay over.
B: Sarah asks Tom if he can come over the next morning to help her study.
B.