When the invader arrived, millions of people ____ from their homeland.

A．had turned away

B．were turned away

C．had turned out

D．were turned out

城管通业务是基于（），（），（）实现对城市市政工程设施、市政公用设施、市容环境与环境秩序的监督、管理和预警的整体业务答题要点。