If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）

• A、the IP address of the first Fast Ethernet interface
• B、the IP address of the console management interface
• C、the highest IP address among its active interfaces
• D、the lowest IP address among its active interfaces
• E、the priority value until a loopback interface is configured