we()play with the fire,because it's dabgerous.A.needn't B.couldn't C.can't D.mustn't

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we()play with the fire,because it's dabgerous.A.needn't B.couldn't C.can't D.mustn't

we()play with the fire,because it's dabgerous.A.needn't B.couldn't C.can't D.mustn't
we()play with the fire,because it's dabgerous.A.needn't B.couldn't C.can't D.mustn't

we()play with the fire,because it's dabgerous.A.needn't B.couldn't C.can't D.mustn't
表示不能玩火 can't play with the fire
选择C

D
must not表示一定不准做某事,can't表示否定推测,即“一定不可能在做某事”,B不需要用过去式或虚拟语气,A显然不合句意