Question

________ she is not so cheerful ________ she used to be?

A. How it is that; as
B. How is it that; as
C. Is it why; that
D. Why is it that; what

Answer 1

答案B
本题考查强调句。强调句的特殊疑问句式是：特殊疑问词+is/was it that+其他部分？选项D中的what不能和前面的so构成同级比较，因此B项正确。