转椅配件大全:请教一道选择题

来源:百度文库 编辑:神马品牌网 时间:2024/05/10 18:35:54
I tried hard to pull out the lid of the bottle,but it____.
A.didn't open
B.wasn't open
C.wasn't being opened
D.wouldn't open
答案是D,请问为什么?谢谢

235

表示到现在还没有开
D.wouldn't open

C.wasn't being opened 错 ed要去掉

C