What a pity! If I had known Tom earlier I him to the party.A. had invitedB. would invit

问题补充：

What a pity! If I had known Tom earlier, I him to the party.

A. had invited

B. would invite

C. invited

D. would have invited

答案：

A. had invited

B. would invite

C. invited

(答案→)D. would have invited

解析：考查虚拟语气。本题是考查与过去事实相反的虚拟语气，从句使用过去完成时，主句使用情态动词+have done;句意：真遗憾！如果我早点认识Tom,我就会邀请他来参加聚会。