the most of 和the majority of的区别

问题描述:

the most of 和the majority of的区别
When the headmaster spoke out his plan, the_____of the students in the class _____ against it.
A. majority; wereB.most; were
答案是A, B为什么不对?

正解是A.
大多数学生的正确表达法是
the majority of the students
most students
most of the students
题目中有the ,只能用A了.