The plan _____ by the Chinese government ____ rejuvenating the nation by relying on science.

A．put forward, aimed at

B．was put forward, aiming at

C．put forward, was aimed at

D．put forward, aiming at

下级调度机构必须服从上级调度机构的调度。调度机构调度管辖范围内的发电厂、变电站的运行值班单位必须服从（）的调度。