Evaluate the metrics associated with Mission Essential Functions (MEF) to determine which example is demonstrating Work Recovery Time (WRT).
A.) A business function takes five hours to restore, resulting in an irrecoverable business failure.
B.) It takes two hours to identify an outage and restore the system from backup.
C.) It takes three hours to restore a system from backup, and the restore point is two hours prior to the outage.
D.) It takes three hours to restore a system from backup, reintegrate the system, and test functionality.