输入哪条命令可以看到以下信息?（ ） LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562

A.show ip route

B.show ip ospf isa

C.show ip ospf database

D.show ip ospf interface