—Do you know where David is? — Well, he ...

—Do you know where David is?

— Well, he _____ have gone far — his coat is still here.

A．shouldn’t

B．can’t

C．mustn’t

D．wouldn’t

Ｂ【解析】考查虚拟语气表示推测。句意：—你知道David在哪里？—嗯！他不可能走远的。他的上衣还在这里。Shouldn’t have done本不应该做某事，实际上做了；can’t have done不可能做某事；共计他的上衣还在这里，说明B正确。

考点分析：

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