— you write so well? —By reading and keeping diaries every day.A. How is itB. What is itC.

问题补充：

— you write so well?

—By reading and keeping diaries every day.

A. How is it

B. What is it

C. How is it that

D. What is it that

答案：

A. How is it

B. What is it

(答案→)C. How is it that

D. What is it that

解析：通过回答By reading and keeping diaries every day. 可知应选择引导方式状语的how,又因为是强调句所以选择C。