Bob was lying on the lawn,his hands__ under his head.A:were crossing B:were crossed C:crossing D:cro

Bob was lying on the lawn,his hands__ under his head.A:were crossing B:were crossed C:crossing D:cro

题目
Bob was lying on the lawn,his hands__ under his head.A:were crossing B:were crossed C:crossing D:crossed
A为什么不行呢
答案
D
这里只是逗号相连,没有连词,说明不是主从复合句,不能出现两个动词,所以不能出现were
这是独立主格结构,cross是不及物动词,没有被动,crossed是形容词
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