根据情境，选择恰当语句补全对话。   

A: 1.           

B: Yes, please. I want a T-shirt.

A: Look at this one.

B: I don't like the colour.

A: 2._____

B: Yellow.

A: OK. What about this one?

B: It's big. 3._____

A: 4._____

B: That's lovely! 5._____

A. Have you got a small one, please?

B. I'll take it.

C. Can I help you?

D. What colour do you like?

E. Try this one, please.