Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true? （）

• A、The ASBR route - maps are basically useless, because there are no deny prefix - lists.
• B、LSA Type 5s wil l not be received by the ABR from the ASBR.
• C、The OSPF backbone will not learn any RFC 1918 addresses.
• D、The matched prefix - list addresses will be given a metric of 255, which is essentially unreachable.