Mr.White____ at8:30 0 for the meeting, but he didn't' show up.

Mr.White____ at8:30 0 for the meeting, but he didn't' show up.
A、should have arrived
B、should arrive
C、should have had arrived
D、should be arriving
【正确答案】：A
【题目解析】：【考点点击】本题考查情态动词。【要点透析】 should have done表示“本应该做某事(却没做)”,在此处表示遗憾。本句意为:怀特先生本该八点半到这里参加会议,却到现在都未出现。故选A。