听力原文：W: I have been having the worst headaches. I know some of it is stress, but I'm worried that I might have something more serious, such as high blood pressure.
M: Well, we'll check that out, of course, but first, tell me when you had your glasses changed. It really sounds more like eye strain.
Q: What does the man suspect?
(13)
A．That the woman has high blood pressure.
B．That her headache is caused by her glasses.
C．That the woman is suffering from stress.
D．That the woman has very serious headaches.

A.
M:
B.
Q:
C.That
D.
B．That
E.
C．That
F.
D．That
G.