A new Backup Connection is being deployed on a remote site router. the stability of the connection has been a concern. in order to provide more information to EIGRP Regarding this interface， You wish to incorporate the "Reliability" cost metric in the EIGRP Calculation with the command metric weights 1 0 1 0 1. What impact will this modification on the remote site router have for other existing EIGRP neighborships from the same EIGRP Domain？（）

A.Existing Neighbors will immediately begin using the new metric.
B.Existing Neighbors will use the new metric after clearing the EIGRP Neighbors.
C.Existing Neighbors will resync， maintaining the neighbor relationship
D.All ecisting neighbor relationships will go down