loopback interface has not been created in Router_A. By default, what will determine the OSPF router ID of Router_A

A、Itdefaultsto255.
B、Thenamesetbythehostnamecommand
C、ThehighestIPaddressconfiguredintherouter.
D、Theprioritynumberoftheroutersetbytheprioritycommand.
E、ThelowestIPaddressconfiguredintherouter