Have you ever wondered ______ there are

问题选择题

Have you ever wondered ______ there are so many natural disasters across the world in 2010?

A．which it is that

B．what is it that

C．how it is that

D．why it is that

答案

答案：D

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。