If you ________ me this morning, I would have missed the importa

If you ________ me this morning, I would have missed the important meeting.
A、haven’t called
B、hadn't called
C、weren’t to call
D、didn’t call
【正确答案】：B
【题目解析】：本句表达的是对过去的虚拟，所以用had done的形式。