How can failback of a recovered virtual machine in vSph…

How can failback of a recovered virtual machine in vSphere Replication be performed?

A.
No action required, because failback is automatically performed to the source site.

B.
Configure a new replication in the reverse direction at the target site.

C.
Disable or Stop virtual machine replication on the source site.

D.
Power off and unregister the virtual machine on the target site.

Explanation:
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%
2Fcom.vmware.vsphere.replication_admin.doc%2FGUID-0594C104-1381-4EE7-8C6A-A44E9F380AAB.html