Which two steps below should you perform on the hub router while configuring EIGRP routing over  DMVPN （mGRE tunnel）？ （）

• 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