Refer to the exhibit. On the basis of the information presented, which statement is true?
RTA#show ip route ospf
O IA 6.0.0.0/8 {110/65] via 5.0.0.2, 00:00:18 Serial2/1/0
O*N2 0.0.0.0/0 [110/1] via 5.0.0.2, 00:00:18 Serial2/1/0

A.
A default route is configured on the local router.

B.
Network 6.0.0.0/8 was learned from an OSPF neighborwithin the area.

C.
OSPF router 5.0.0.2 is an ABR.

D.
The default route is learned from an OSPF neighbor.