-- Nice to meet you！A. Good morning!B. Hello!C. Nice to meet you too!D. I’m fine.

问题补充：

-- Nice to meet you！

---

A. Good morning!

B. Hello!

C. Nice to meet you, too!

D. I’m fine.

答案：

A. Good morning!

B. Hello!

(答案→)C. Nice to meet you, too!

D. I’m fine.

解析：当别人对你说见到你真高兴!你也应该对别人说同样的话，故选C。