遥控器对电视机进行遥控，是通过______外线来实现控制的；用放大镜观察正在播放节目的彩电屏幕，看到每个小区域的三种色光为红、______、蓝．

Do you think the plan _________ out as soon as possible?

A．should carry

B．ought to be carried

C．ought to have carried

D．ought to have been carried