It is ________ polite to say"May I come in ?"before you comein.

问题描述:

It is ________ polite to say"May I come in ?"before you comein.
A.muchB.moreC.too D.a lot

C.
too .to 太怎么……以至于怎么样.
此处为固定搭配.
much修饰副词