_____ sadly,the little boy raised his head and had the tears _____ down on purpose

题目

_____ sadly,the little boy raised his head and had the tears _____ down on purpose
A.seen to cry; fall B.To be seen crying; falling C.Seen crying;falling D.To be seen to cry;fall
为什么选 B 不选 C

答案

因为这里指被看到正在做某事所以要用SEE+DOING..排除D和A..这步你已经做了..
而选B不选C的原因是他被看到在哭..被动语态的同法是BE+动词过去分词..
加TO的原因是表示他要做..
整句话的意思是：为了被（别人）看到他哭得很伤心的样子,小男孩故意（为了让别人看见）抬起头,满脸泪痕.