单项选择题

M: Are you tired of driving
W: No, I’m fine.
M: Where is my briefcase
W: Isn’t it on the back seat
M: No, I don’t see it. All my important papers are in it.
W: You may have left it at the hotel. Should we turn around and go back
M: Well, I guess we ought to go back, If you don’t mind.
W: I’ll turn off at the next road.

Why will they go back to the hotel()

A. To look for his wallet.
B. To look for his important letter.
C. To look for his briefcase.