-Thank you for me with my English. -You are welcome.A. helpB. helpsC. helpingD. to help

问题补充：

-Thank you for me with my English. -You are welcome.

A. help

B. helps

C. helping

D. to help

答案：

A. help

B. helps

(答案→)C. helping

D. to help

解析：thank sb for doing sth是固定短语，表示因做某事而感谢某人，常跟动词的ing的形式。