Which command is used to display the collection of OSPF link states?

A.
show ip ospf link-state

B.
show ip ospf lsa database

C.
show ip ospf neighbors

D.
show ip ospf database

Explanation:
http://www.cisco.com/en/US/docs/ios/iproute_ospf/command/reference/iro_osp3.html#wp1012173