单项选择题

Being an intelligent boy， he ______such a foolish mistake.

A．needn't have made
B．can’t have made
C．won't have made
D．wouldn’t have made

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单项选择题

Being an intelligent boy， he ______such a foolish mistake.

A．needn't have made
B．can’t have made
C．won't have made
D．wouldn’t have made