He was very busy yesterday，otherwise he__________to the meeting.
A.would come B.came
C.would have come D.had come
He was very busy yesterday，otherwise he__________to the meeting.
A.would come B.came
C.would have come D.had come
C
otherwise用来表示一种含蓄的虚拟假设，因为是对过去(yesterday)的情况的假设，所以应该用would have come形式。