Try ___she might,Sue couldn't get the door open.

问题描述:

Try ___she might,Sue couldn't get the door open.
A.If B.when C.since D.as选那个

D
这是一个虚拟语气的倒装句,原句是
As she might try,Sue couldn't get the door open.
意思是,即使她尝试了,她也打不开打扇门,as表示即使的意思.