题干
Which of the following is right?
A：Are you belong to the UN peace-keeping force?
B：Which computer does this mouse belong to?
C：This strange vegetable is belong to the potato family.
D：The gold ring is belonged to her.
答案(点此获取答案解析）
B
中，点
在侧面
及其边界上
，则动点
B. 
C. 
E. 