“I heard they went skiing in the mountains last winter.” “It _________ true because there was little snow there.”A.may not beB.won’t beC.couldn’t beD.mustn’t be
网友回答
C解析C，主要由下文的 because there was little snow there 这一语境所决定，既然“没下什么雪”，那么“滑雪”就应是“不可能”，所以选 couldn’t be，即选C。