The room was smoke.
A:fill of
B:filled of
C:full of
D:full with
如图所示,两端点分别为A、B、长L=1m的金属细杆在距地面H=40m处以v0=10m/s竖直上抛,同时在AB上方略微错开的竖直线上h处有一可视为质点的小球C由静止释放,不计空气阻力及落地后的运动,g取10m/s2,则可知( )