which two types of areas would an area border router (ABR) inject a default route?

Into which two types of areas would an area border router (ABR) inject a default route?
(Choose two.)

A.
stub

B.
the autonomous system of an exterior gateway protocol (EGP)

C.
NSSA

D.
totally stubby

E.
the autonomous system of a different interior gateway protocol (IGP)

F.
area 0