F: Hello, American Medical Association. Can I help you? ,M: I want to find a doctor. ,F: What kind of doctor are you looking for? A general doctor or a specialist? ,M: What is the difference between a general doctor and a specialist? ,F: A general doctor treats a variety of illnesses and will treat your whole family. A specialist concentrates in one area, like the heart or the skin. ,M: Then I would like to find a general doctor.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Then you can call Doctor Green who can  treat various illnesses. (C) F: Ok, I'll make appointment with a specialist in heart area for you. (D) F: So you want find a general doctor who treat yourself only?
B