do you improve your listening? --I improve my listening watching English movies.A. Wha

问题补充：

-- do you improve your listening?

--I improve my listening watching English movies.

A. What , by

B. How , by

C. What , with

D. How , with

答案：

A. What , by

(答案→)B. How , by

C. What , with

D. How , with

解析：句意：——你如何提高你的听力？——我通过看英语电影来提高我的听力。根据watching English movies.可知此处问的是提高英语听力的方法，因此用疑问词how来提问。by + doing sth.通过做某事。

故选B。