题目内容：

All ____ want to buy the book,put down your names here.A.who B.these that C.those who D.ones
选择哪个,为什么不是A

优质解答

应该选C.
who作指人的关系代词,修饰those"那些人".these/those后面一定不能用that.
A项的all是不定代词（像none,no one,both等）,一定要用that引导,不能用who.