Which configuration elements must match for adjacent neighbors to establish a SAF neighbor relationship?

Refer to the exhibit.

Which configuration elements must match for adjacent neighbors to establish a SAF neighbor relationship?
A. the label name specified in the router eigrp command
B. the autonomous-system number specified in the service-family ipv4 autonomous-system command
C. the sf-interface configuration
D. the topology base configurations
E. the label name specified in the router eigrp command and the autonomous-system number