Have you ever wondered there are so many natural disasters across the world in ?A. wh

问题补充：

Have you ever wondered there are so many natural disasters across the world in ?

A. which it is that

B. what is it that

C. how it is that

D. why it is that

答案：

A. which it is that

B. what is it that

C. how it is that

(答案→)D. why it is that

解析：考查强调句。本题考查强调句的疑问句形式：疑问词 + is/was +it that +从句，根据句意用疑问词why，故选D。