从方框中选择正确选项。(方框中有一个选项与对话内容无关)

A. How about giving her a CD? B. My mother's birthday gift (礼物). C. What does your mother like? D. What do you want to give her? E. It's on Sunday. F. It's nice.

A: Hi, Ann! What are you thinking about?

B:

A: When is your mother's birthday?

B:

A: You must decide(决定)it soon.

B: Yes.

A:

B: I don't know.
A:

B: She likes singing and dancing.

A:

B: Great! Thank you very much.

A: You are welcome.