A.Set the NHRP hold time to match the EIGRP hold time
B.Add the enable eigrp stub command
C.Add the disable eigrp as-member split-horizon command
D.Add the disable eigrp as-member next-hop-self command

A.NBAR provides the ability to configure MCQ； it is a mandatory MCQ component.
B.NBAR provides deep packet inspection and is used for advanced packet classification.
C.NBAR provides per-protocol packet and byte accounting functionality； it is used to track bandwidth utilization for all protocols described in the loaded PDLMs.
D.NBAR provides scheduling in an MQC policy map using an advanced algorithm.