A、Husband and wife. B、Doctor and patient. C、Teacher and student. D、Doctor and ’nurse. B

W: Hello, how can I help you?
M: Good morning. I seem to have hurt my wrist.
W: Yes? How did you do that?
M: Well, I’m not actually sure. I think... I did go to party last night, and urn, I sort of fell up the steps, and I may have done it then.
W: You fe