Which address are OSPF hello packets addressed to on point-to-point networks?

A.
224.0.0.5

B.
172.16.0.1

C.
192.168.0.5

D.
223.0.0.1

E.
254.255.255.255

Explanation:
Why Does the show ip ospf neighbor Command Reveal Neighbors in the Init State?
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f11.shtml
OSPF hello packets have a destination address of 224.0.0.5 (the all ospf routers multicast
address).