选择合适的句子，补全对话

A. I'm going to have a birthday party. B. Which season do you like best? C. Why do you like winter best? D. When's your birthday? E. Can you come and help me plan some activities for my birthday party?

Sarah:

John: I like winter best.

Sarah:

John: Because my birthday is in winter.

Sarah:

John: It's in December.

Sarah: What are you going to do on your birthday?

John:

Sarah: Cool!

John:

Sarah: Sure, I can.