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.

What are there in the briefcase()

A. Some jewelry.
B. Important papers.
C. Money.