题目内容
I really can't understand ______ her like that.
A.you treat B.you to treat C.why treat D.you treating
D
解析:此题考查了非谓语动词的用法。understand意思为“认识到,明了”,后面可以接动名词的复合结构。如:I just can’t understand him taking the money,常与can等情态动词连用。
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