Refer to the exhibit. Why does R1 not receive a label for 10.0.0.3/32 prefix?
A. R1 does not have an established LDP neighborship with the router announcing the 10.0.0.3/32 prefix.
B. The 10.0.0.3/32 prefix is being null-routed in the downstream neighbor
C. LDP peer is not configured to advertise a label for the 10.0.0.3/32 prefix
D. BGP is not configured to exchange labels with the BGP peer advertising 10.0.0 3/32 prefix
