某台路由器输出信息如下,下列说法正确的是()。displayospfinterfaceGigabitEthernet0/0/0OSPFProcess1withRouterID10.1.1.1Interface:10.1.12.1(GigabitEthernet0/0/0)Cost:1State:DRType:BroadcastMTU:1500Priority:1DesignatedRouter:10.1.12.1BackupDesignatedRouter:10.1.12.2Timers:Hello10Dead40Poll120Retransmit5TransmitDelay1
A.本路由器的接口地址为10.1.12.1
B.本路由器为DR
C.本路由器的Router-ID为10.1.1.1
D.本接口网络类型为广播