how are external routes from the RIP domain advertised into OSPF area 0 (backbone)?

A.
They are imported by Router A and advertised as Type 7 LSAs which Router B will advertise as
Type 7 LSAs into area 0.
B.
They are imported by Router A and advertised as Type 7 LSAs which Router B will translate to
Type 5 LSAs and advertise into area 0.
C.
They are imported by Router A and advertised as Type 5 LSAs which Router B will advertise as
Type 5 LSAs into area 0.
D.
They are imported by Router A and advertised as Type 5 LSAs which Router B will translate to
Type 7 LSAs and advertise into area 0.