—（?）—,we would have finished the work on time.选Had Jim come的原因

题目

—（?）—,we would have finished the work on time.选Had Jim come的原因

答案

这是一个虚拟语气强调句.
原句应该是：If Jim had come,we would have finished the work on time.
意思是强调过去某个时间,如果Jim来了,我们就会按时完成工作.隐含的意思是：实际上由于他没有来,工作没有完成.
作为强调句的时候,谓语助动词提前.