— you write so well?—By reading and keeping diaries every day.A. How is it that B. Is it h

问题补充：

— you write so well?

—By reading and keeping diaries every day.

A. How is it that

B. Is it how that

C. How it is that

D. What is it that

答案：

(答案→)A. How is it that

B. Is it how that

C. How it is that

D. What is it that

解析：A 考察特殊句式。问句是强调句的特殊疑问句形式，答句补充完整为：It is by reading and keeping diaries every day that I wrote so well。对方式进行提问使用how。