问题补充：
Today’s China is quite different from . .
A. it used to be
B. it would be
C. what it used to be
D. what it would be
答案：
A. it used to be
B. it would be
(答案→)C. what it used to be
D. what it would be
解析：短语辨析.used to be 曾经是;be used to sth习惯于.句意:今天的中国与她过去的样子相当不同了.故选C.
