Were it not for the adoption of the open policy,things ______ they are today.

题目

Were it not for the adoption of the open policy,things ______ they are today.
A would never be B would never have been 为什么不能选A,有today难道不是错综时间虚拟条件句吗?
还有一题,也类似：
35.If we had known that she had planned to arrive today,we ______ her at the bus station.
A might met D might have met
选D,为什么不选A?

答案