You ______ Mark anything. It was none of his business.
A、
needn't have told
B、
needn't tell
C、
mustn't have told
D、
mustn't tell
【正确答案】
A
【答案解析】
needn't have done sth.表示做了本来不必要做的事情,A符合题意。本题后半句所用的过去式表示tell的动作已经发生,B项是建议或要求,D项意为“不准告诉”,这两项的动作均未发生。故不正确;must表推测时用于肯定句,不用于否定,故C项也不对。
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