The fact that she was foreign made ________ difficult for her to get a job in that country.[ ]

A. so  

B. much

C. that  

D. it

以下关于力和运动的说法正确的是

A．力是维持物体运动的原因

B．力是改变物体运动状态的原因

C．物体的速度越大，其惯性就越大

D．作用在物体上的力消失后，物体的速度就消失