听力原文：W: You looked rather worried.
M: Yes , I was thinking about the Jone's case actually. It's a tough one.
Why does the man look worried?
A．Because Jone has a rough case.
B．Because Jone's case is difficult to deal with.
C．Because Jones has lost the case.
D．Because Jone's is very tough.

A.
Why
B.Because
C.
B．Because
D.
C．Because
E.
D．Because
F.