- Hello Mary! How are you?- .A. How are you?B. Nice to meet you.C. Fine thanks.

问题补充：

- Hello, Mary! How are you?

- .

A. How are you?

B. Nice to meet you.

C. Fine, thanks.

答案：

解析：A. How are you?你好吗？B. Nice to meet you.见到你很高兴C. Fine, thanks.很好，谢谢。句意:嗨，玛丽！你好吗？很好，谢谢你。故选C