Look at the clouds.It ( )rain.Let`s hurry.

问题描述:

Look at the clouds.It ( )rain.Let`s hurry.
A.must B.should C.would D.is going to
哪个,为什么?
其他3个错哪了?

D
表示将来时态.马上就要下雨了.
C时态不对,如果是will的话也对,意思相同.