You add the following commands into a routed topology： router eigrp 1 variance 3 traffic-share min across-interfaces. Users now complain about voice quality in your VoIP system. What should be done？ （）

• A、 Add the command： router eigrp 1 traffic-share voice interface fast 0/0
• B、 Reconfigure EIGRP to recognize voice packets
• C、 Remove the variance from the configuration
• D、 Reconfigure the VoIP system to use RTP sequence number headers
• E、 Use an H '323 gatekeeper for your VoIP system to negotiate an H'245 uneven packet buffer
• F、 Reconfigure EIGRP to version 2