A:稳定平衡的物体受到扰动后重心会升高
B:不稳定平衡的物体受到扰动后重心会升高
C:随遇平衡的物体受到扰动后重心会降低
D:以上说法都不正确
(2015•广东佛山)________ I live in a safe community, I still feel a little worried when I go out at night.