初中英语选择题一道,请解释一下,谢谢

问题描述:

初中英语选择题一道,请解释一下,谢谢
The question is that we should make it _____how serious the population problem is.
A.known to everbody B.known by everbody
C.known D.is known by everbody

A
make known是词组
意思是使知晓/传达
so,
make it known to everybody就是传达给各位/是所有人都知道