D. 正确。ought to have come=should have come表示过去本该来的，但实际没来。
昨天的聚会很开心，你本该来的，但是为什么你没来呢？
should come 指将来应该来
must have come 一定来过。 对过去事情的推测。有把握
may have come可能来过
对过去事情的推测。 没把握...
答：ought to have come 相当于should have come
should come =/= should have come.前者着眼现在和未来：You should study hard. 你应该努力学习。后者指责过去：You should have studied hard. 你本该努力学习的。（你过去学习不...
