— ________ 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

关于蝶形红斑，下列描述哪些是正确的（）

A.水肿性

B.不脱屑

C.日晒后加重

D.留有色素沉着

E.皮肤常萎缩