—do you learn English so well? — asking the teacher for help.A. What; ByB. How; WithC. Ho

问题补充：

—do you learn English so well?

— asking the teacher for help.

A. What; By

B. How; With

C. How; By

D. What; With

答案：

A. What; By

B. How; With

(答案→)C. How; By

D. What; With

解析：句意：你是怎么学习英语的？通过向老师寻求帮助。How怎么样，通常问方式方法的。介词by通过，后面接动词ing形式，表示方法。故选C。