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