There are three people in my ____ .They are my parents and I .
A:home
B:house
C:school
D:family
从地面竖直上抛一个质量为m的小球,小球上升的最大高度为H,设上升过程中空气阻力f恒定.对于小球从抛出到上升至最高处的过程,下列说法正确的是( )