听力原文：M: I'm really worried the math test tomorrow.
W: It's too late to worry about it now, Johnson.
Q: What does Johnson think about the test?
(8)
A.He's prepared for it.
B.He missed it.
C.It will be difficult.
D.He doesn't worry about it.

A.W:
B.
Q:
C.He's
D.
B.He
E.
C.It
F.
D.He
G.

【参考答案】

C
解析：worry的原因是difficult。