--Thanks a lot for me with my English. You are welcome.A. helpB. helpsC. helpingD. help

问题补充：

--Thanks a lot for me with my English. -- You are welcome.

A. help

B. helps

C. helping

D. helped

答案：

A. help

B. helps

(答案→)C. helping

D. helped

解析：本句中for是介词，表示感谢的原因，后面接名词或者动名词，故选C。