企源知识库

If he had been Managing Director, the company（ ）collapsed.
A、would
B、should
C、would have
D、would have been
【正确答案】：C
【题目解析】：如果他曾是总经理，那公司应该早倒闭了。为虚拟形式。从句用过去完成时，主句要用would/sholud+动词原形