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I didn't see Jack at the meeting yesterday afternoon. He ( ) it.
A、mustn't attend
B、can't attend
C、mustn't have attend
D、can't have attended
【正确答案】：D
【题目解析】：could/can have done 对过去动作的猜测，句子含义是昨天下午的会议上，我没见到他，我想他没有参加。