Refer to the exhibit.
R2 cannot to learn RP information from XR3. Which issue is the source of the problem?
A. XR3 is not the DR.
B. Multicast routing is not enabled on the XR3 Giga0/0/0/0 interface.
C. R2 is learning the RP address via non-IGP routing protocol.
D. Multicast routing is not enabled on the XR3 Loopback0 interface.
E. BGP IPv4 MDT address family is not enabled on XR3.
