It being Sunday, I ______ up early this morning, so I stayed in bed until 9 am. [ ]

A. didn't need to get

B. couldn't have gotten

C. needn't have gotten

D. mustn't have gotten

进出口货物收发货人办理注册登记手续后，可以在关境内各口岸或海关业务集中的地点办理本单位的报关，并且可以代理其他单位的报关。