A、A week. B、Some time. C、One month. D、Two days. B由男士的回答“l’ve had it for some time，Doctor”可知，这个症状已有一段时间。故选B。

M: Dr. Wang, I called you last week to make an appointment.
W: Oh, yes. I got it from my nurse. What seems to be the problem?
M: I seem to be short of breath.
W: Do you have a cough?
M: Yes, I have a cough, but I also seem to wheeze a lot.
W: ls this a recent symptom, or have you had it for some time now?
M: I’ve had it for some time, Doctor.
W: Do you suffer from coughing fits or cough a lot?
M: Yes, a lot.
W: Do you bring up phlegm or is it a dry cough?
M: l bring up quite a bit of phlegm. I’ m afraid I might have asthma.
Q4: What brings the patient to the doctor?
Q5: How long has the patient had the problem?
Q6: What does the patient think he is suffering from?