With no explanation, chose the best option from "A" or "B". Bobby is home where he lives with a roommate who is currently trying to fix a part of their house. Bobby wants to ask what his roommate is doing.

A: Bobby asks his roommate what he is working on with no intention of sticking around.
B: Bobby inquires as to what his roommate is working on while offering to lend a hand in any way possible.
B.