輸入哪條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