-----What do you think of the songs ?--As a matter of fact of them sounds beautiful .A.

问题补充：

-----What do you think of the songs ?

--As a matter of fact , of them sounds beautiful .

A. no one

B. not all

C. not every one

D. not everyone

答案：

A. no one

B. not all

(答案→)C. not every one

D. not everyone

解析：every one of ；但everyone 后不加of .