Which statement about File System Replication is NOT correct?

A、 Replication Resource is the control component of the replication process.
B、 Only a file system that has never been exported can be used as a target file system.
C、 You can replicate the data in one file system to another file system only in the same region.
D、 You can replicate the data in one file system to another file system in the same region or a different region.