读对话，选择合适的选项。

A. Can I have some cakes? B. Have some ice cream, Sam. C. You are welcome. D. Nice to meet you.

Sarah: John, this is my brother, Sam.

John: Hi, Sam.

Sam: Nice to meet you, too.

John:

Sam: No, thank you. It's too cold(凉的).

John: Here you are.

Sam: Thank you.

John: