Henry has packed up his clothes, ______ he can leave here as soon as possible when his father

comes.

A．because

B．even if

C．if

D．so that

关于网络割接，以下说法正确的是（）

A.当进行网元增删操作时应提前做好配置备份

B.小规模数据割接也需提前向网管中心报备

C.当进行数据配置修改时需提前告知网管值班人员

D.当进行业务割接时可随意安排时间进行