most of ___ ads dont tell you anything real

问题描述:

most of ___ ads dont tell you anything real
most of ___ ads don^t tell you anything real.
A.a B.an C./ D.the
请说明理由.

我想这道题考的是most 和most of的区别
若所修饰的名词前没有限定词,通常要用most,不用most of.如:
Most people agree with me.多数人同意我的意见.
这里用的most of 所以要用限定词.如果不用限定词,应该是most ads don't...