阅读下面的对话，选择最佳答案。

A: Mum. Look, the supermarket is so big!

B: Yes, Jack! Here's the clothes section (服装区). What do you want?

A: Mum, my jacket is small. May I have a new one, please?

B: OK! Which one do you want?

A: I like the green one with some cool zips (拉链). How much is it?

B: The green one is 145 yuan. Try it on, Jack.

A: OK, Mum. Do you like it?

B: Let me have a look. Hmm ...good, it fits you. Let's buy it now.

A: Thank you, Mum.