3,If my lawyer _____here last Saturday,he _____me from going.

问题描述:

3,If my lawyer _____here last Saturday,he _____me from going.
A.had been,would have prevented
B.had been,would prevent
C.were,would prevent
D.were,would have prevent
为什么不选D

楼上不要瞎说
条件句里要用'过去完成时'表对过去的虚拟,句子里有last saturday所以要用had been.
如果用were那就对现在的虚拟,这个和last saturday有冲突