A、Disconnect his telephone. B、Blow a whistle into the receiver. C、Keep a record of incoming annoyance calls. D、Report his proble

M: Good morning, nurse. Do I take the same medicine as usual?
W: Yes, the medicine will relieve your pain and help you breathe better. How did you feel last night?
M: Not so good. My chest still hurts. I was told that patients with lung cancer like me should die with terrible pain.
W: Different patients have different symptoms. But please believe that we will try our best to help you feel more comfortable.
Q: What is the man’s disease?

M: I’ve been having annoyance calls for two weeks. When I answer the phone, the other party hangs up without saying anything. I’ve tried everything including blowing a whistle into the receiver.
W: Beginning today, we want you to keep a record of the time each call occurs. From this chart, we can get information to help us trace the calls. If necessary, the telephone company can contact the police.
Q: What does the woman suggest that the man do?