When Converting from a Single-Site to a Multi-Site Cluster, What

When converting from a single-site to a multi-site cluster, what happens to existing single-site clustered buckets?

A) They will continue to replicate within the origin site and age out based on existing policies.
B) They will maintain replication as required according to the single-site policies, but never age out.
C) They will be replicated across all peers in the multi-site cluster and age out based on existing policies.
D) They will stop replicating within the single-site and remain on the indexer they reside on and age out according to existing policies.