单项选择题
W: Now, Mr. Martin. I’ve just read your own doctor’s report. So you haven’t been feeling very well lately Is that right
M: It’s ... it’s my leg, doctor. My right leg. I keep getting a strange pain in it.
W: Could you tell me what the pain is like
M: It’s like...like boiling water running down my leg. It’s been getting worse lately, too. I’ve been losing sleep.
W: You mean the pain has been keeping you awake
M: Yes, that’s right. It’s been keeping me awake.
W: Now, tell me, how long have you had this trouble
M: The pain For about a year now.
W: Hmm... Have you been getting tired lately after you have a walk For example, have you been getting a bit short of breath, perhaps
M: Why, yes! Yes, I have, doctor!
W: Hmm... I think we’d better give you a few tests here in the hospital.
M: Do you think it’s serious, doctor
W: Probably not.
M: But... Doctor Cook, my local doctor, thinks it’s only that I’ve been working too hard lately.
W: That could be the reason. Don’t worry, we’ll find out soon.
A．Water is running out from his leg.
B．He can not breathe well after a walk.
C．He hasn’t been sleeping well because of the pain in his le