根据情境，补全对话。

Mary: Hello, Jack.

Jack: My hobby is collecting postcards.

Mary:

Jack: Yes, I have. This postcard is from China. It's the Huangshan Mountain.

Mary:

Jack: It's in the east of china.

Mary:

Jack: Yes. It's more than two thousand meters tall. It's a beautiful mountain.

Mary: Really?

Jack: Is taking pictures your hobby?

Mary: Yes, you are right.

A. Can you tell me more about it? B. What is your hobby? C. I want to visit it and take many pictures. D. Have you got any Chinese postcards? E. Where is the Huangshan Mountain?