如图所示的圆锥摆，摆线与竖直方向的夹角为θ，悬点O到圆轨道平面的高度为h，下列说法正确的是（　　）

A．摆球质量越大，则h越大

B．角速度ω越大，则摆角θ也越大

C．角速度ω越大，则h也越大

D．摆球周期与质量无关

I wonder how he could ______ not handing in his math exercises yesterday, for his math teacher is always strict with his students.

A．get along with

B．get away with

C．get down to

D．get around