Thedescription about OSPF features, which is wrong?

Thedescription about OSPF features, which is wrong?
A . OSPF uses the link state algorithm.
B . Each router advertises local link state information through flooding LSAs.
C . Each OSPF device collects the LSA which sent by other routers. All the LSA are put together to form the link state database LSD
E . The LSDB of all routers in OSPF area 0 are the same.
F . According to the directed graph, each router uses the SPF algorithm to calculate a shortest path tree rooted at itself. This tree gives the routes to each node in the autonomous system.

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Answer: D