—_ —Fine thank you.A. How do you do? B. Nice to meet you C. How are you?

问题补充：

—_ —Fine, thank you.

A. How do you do? B. Nice to meet you C. How are you?

答案：

解析：How do you do?你好；Nice to meet you很高兴见到你；How are you?你好吗？根据下水文，我很好，谢谢你。可知选C。