——Yesterday, I didn’t see Ben at the party.
—— You _____ him. We just came back from Beijing this morning.A.mustn’t have seenB.needn’t have seenC.couldn’t seeD.can’t have seen
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D解析词义辨析。句意：昨天在聚会上我没看到本。你不可能看到他。我们今天早晨刚才北京回来。can’t have seen不可能看见。所以选D。