What is a Protected BCV Restore operation?

A.
Incrementally restores the contents of the BCV to a standard with which the BCV has no prior relationship

B.
Restores a BCV to a Standard but does not propagate Standard writes to the BCV

C.
Restores a BCV to a Standard and allows propagation of Standard writes to the BCV but not the BCVs mirror

D.
Following the Restore operation, the BCV is automatically split from the Standard to assure it is protected