听力原文：M: Did you take these pictures？ They are very good. W: Yes, I think they turned o

听力原文：M: Did you take these pictures？ They are very good.

W: Yes, I think they turned out well too. I like to take my camera with me wherever I go. That way if I see something interesting I can snap a picture of it.

M: Carrying a big camera round is too troublesome for me.

W: My camera is really small though. Let me show you.

M: That is a compact camera. But you really must know a lot about photography？

What are the man and woman doing？

A．Looking at some photographs.

B．Selling cameras.

C．Teaching a photography class.

D．Repairing camera equipment.