听力原文：M：Did you hear that Bob got sick yesterday during the final examination?
W：Yes，I did．I think lately he has bitten off more than he can chew in studying and working．
Q：What does the woman mean?
(14)
A．He always eats more than he can chew.
B．He eats while studying and working.
C．He got sick because he ate too much.
D．Bob is trying to study and work too much.

A.I
B.
Q：What
C.He
D.
B．He
E.
C．He
F.
D．Bob