Which one of the following privileged EXEC mode IOS show commands will display the state of the OSPF DR/BDR (designated router / backup designated router) election process?()
A、TK1# show ip ospf interface
B、TK1# show ip ospf priority
C、TK1# show ospf neighbor detail
D、TK1# show ospf processes
E、TK1# show ospf neighbor state