Question

13.I would have told him the answer had it been possible, but I _____ so busy then.

A. had been　　　　B. were　　C. was　　　　　　 D. would be
求解析。

Answer 1

应该ahi选C，前面是省略if的虚拟语气，意思是如果可能，我就告诉他答案了。后面要填空那句是陈述一个过去的事实，直接用was