题干
He has ________ all of the money and no one would like to help him.
A：used to
B：used as
C：used up
D：used for
答案(点此获取答案解析）
C
He has ________ all of the money and no one would like to help him.
A：used to
B：used as
C：used up
D：used for
， 
的个数是