题干
—Didn't you see the sign "No parking!" on the right?
—Sorry, I didn't. But now I know parking ____________ here.
A： wasn't allowed
B：isn't allowed
C：won't allow
D：doesn't allo
答案(点此获取答案解析）
B
中，D是BC边上任意一点（D与B，C不重合），且
，则