How are you getting along with your English study? Do you need my help?--- but I thin

问题补充：

--- How are you getting along with your English study? Do you need my help?

---, but I think I can improve it by myself.

A. No, thanks

B. That’s OK

C. You are helpful

D. That’s very kind of you

答案：

A. No, thanks

B. That’s OK

C. You are helpful

(答案→)D. That’s very kind of you

解析：That’s very kind of you。表示谢意。