If I ---- not so busy , I should go with you . A. were B. wa

If I _were_ not so busy , I should go with you . A. were B. was C. is D. are 选A
如果我不忙,我会跟你一起去.
这个是虚拟语气.实际情况是,我很忙.文字上说,如果我不忙,我.
这种情况下,一律用过去时复数
比如：If he were here, I'd ... 实际是他不在这里.