Refer to the exhibit. Router R1 is connected to networks 172.1 6.1.0 /26 and 172.16.1.64 /27. On the basis of the partial output in the exhibit, which statement is true? （）

• A、Router R1 will deny the 172.16.1.0/26 route while permitting the 172.16.1.64/27 route to be advertised.
• B、Router R1 will advertise both rou tes.
• C、Router R1 should be reconfigured with an ACL instead of an ip prefix - list command.
• D、Router R1 will deny the 172.16.1.0/27 route while permitting the 172.16.1.0/26 route to be advertised.