情态动词表猜测--I heard they went skating in the mountains last winter.--It ____ true because there was little snow there.A may not be B couldn't be C might mot be D can not be

问题描述:

情态动词表猜测
--I heard they went skating in the mountains last winter.
--It ____ true because there was little snow there.
A may not be B couldn't be C might mot be D can not be

D
may could might can 都可以表示猜测,但只有can可以表示否定的猜测.