— I want to learn tennis. Would you like to help me?— . But learning tennis is no walk in

问题补充：

— I want to learn tennis. Would you like to help me?

— . But learning tennis is no walk in the park.

A. No kidding

B. No wonder

C. No problem

D. No way

答案：

A. No kidding

B. No wonder

(答案→)C. No problem

D. No way

解析：四个选项分别表示不要开玩笑、难怪、没问题和决不，根据题意选C，你愿意帮助我吗？——没问题。……