It is high time that we ____ measures to bring water pollution under controla.will take b.would takec.should take d.must takewhy

It is high time that we ____ measures to bring water pollution under controla.will take b.would takec.should take d.must takewhy
It is high time that we ____ measures to bring water pollution under control
a.will take
b.would take
c.should take
d.must take
why

It is high time that we ____ measures to bring water pollution under controla.will take b.would takec.should take d.must takewhy
C
It's high time...后面要接虚拟语态,一般用一般过去式,也可以加should+V原

C
It's time that后加should+动词原形
表示虚拟语气

C

c
我们是时候该采取些方法来控制水污染了。

C
这是个虚拟语气句：it is (high) time that+sb. (should) do...
It is high time that we __take__ measures to bring water pollution under control.也对
high表程度，强调事情必须该办了