单项选择题
下面的输出是哪个命令生成的
172.31.1.4 1 FULL/BDR 00:00:34 10.10.10.2 FastEthernet0/0
192.168.20.1 0 FULL/ - 00:00:31 172.16.10.6 Serial0/1
192.168.10.1 0 FULL/ - 00:00:32 172.16.10.2 Serial0/0
A.show iP ospf neighbor
B.show iP osPf database
C.show iP route
D.show iP ospf interface