Refer to the exhibit. Which statement about this neighbor of R1 is true?
Select the best response.
A.
OSPFv3 adjacency has been lost, which causes the neighbor to be considered Stale.
B.
Aggregate global addresses are always used between IPv6 neighbors.
C.
OSPFv3 adjacency will not work between link-local addresses.
D.
R1 used ICMP to learn about this neighbor.