If Mr. Li （ ） Managing Director, the company would have been col

If Mr. Li （ ） Managing Director, the company would have been collapsed.
A、would be
B、were
C、is
D、had been
【正确答案】：D
【题目解析】：虚拟语气。句意：要是李先生曾是董事长，那公司早该倒闭了。if虚拟语气：表示对过去事实的假设，从句要用过去完成时，主句用would/should/might+动词原形。