The victims of the accident demanded that the case _____ into at once and they _____ a reasonable explanation and a just treatment.

A．would be looked; would be given

B．should look; give

C．be looked; be given

D．be looked; give

设计素描所要表现和研究的对象是（）。

A.自然形态中的几何形态

B.人为形态中的艺术形态

C.人为形态中的几何形态

D.几何形态中的艺术形态