题目内容：

___ students were invited to the party
a two dozens b dozens of c two dozens of d dozen of

优质解答

这个选B么,
就和hundreds of 用法一样
hundred 是100的意思,dozen是12的意思,
如果说有五百个学生就应该是five hundred students
而数百个学生就是 hundreds of students
dozen 也是同样的用法