A、At a fitness centre. B、At a clinic. C、At a school. D、At a club. BWhere are these two people most probably?

W: Next patient, please! Come in.
M: Morning, doctor. Sorry I’m a bit late, but I felt really awful when I got up.
W: Don’t worry. It’s Mr. Barnes, isn’t it?
M: That’s right.
W: Is that B-A-R-N-E-S?
M: Yes, it is.
W: Right, now what seems to be the trouble?
M: Well, I’ve had this awful flu and a terrible cough.
W: I see. How long have you been feeling like this?
M: Oh, about three or four days, I suppose.
W: And have you been taking any medication?
M: Just the normal things, Aspirins, lemon and hot drinks, but it hasn’t done any good.
W: Are you a smoker?
M: No. I gave up three years ago.
W: Have you had a temperature?
M: Yes. For the last couple of days or so.
W: OK. I’ll just take a look at your chest. Take off your pullover and jacket please....Right. Now breathe in...and out slowly, And a gain. Good, Once more. That’s it. Pop your clothes back on.
M: Thank you.
W: Well, it looks as if you’ve got a touch of bronchitis. I’ll give you some cough mixture and a prescription for a course of antibiotics as well. Take one capsule every 8 hours for the next five days.
M: OK, Doctor, What about going to work?
W: No, You’ll have to spend a couple of days in bed till it clears up.