企源知识库

_____ for the fact that she broke her leg, she might have passed the exam.
A、Had it not been for
B、Hadn’t it been
C、Was it not
D、Were it not
【正确答案】：A
【题目解析】：点：虚拟语气。由于主句中使用了might have done结构，说明此句表示的内容与过去事实相反，故从句中一般使用had done。B不对，是因为not的位置不当。