___is it ____has made Peter___ he is today?

___is it ____has made Peter___ he is today?

A.What; that; that

B.That; that; what

C.What; what; that

D.What; that; what

答案及解析: D

解析:

首项填入what,即强调句型中被强调的部分,第二项填入that构成强调句型;Is it…that…?第三项填入what引起一个名词性从句作Peter的补足语。