You are the network administrator for TestKing. The network consists of a single Active Directory domain. All network servers run Windows Server 2003. A member server named TestkingA has a locally attached tape device. TestkingA contains several folders and files that are encrypted by using Encrypting File System (EFS). You create a new user account for a new employee named Victoria. Victoria's user account is member of the Users group only. You need to ensure that Victoria can back up the encrypted folders and files on TestkingA. Victoria must be assigned the minimum administrative privileges needed to complete this task. What should you do?（）

Add Victoria's domain user account to the Administrators group.
B. Add Victoria's user account to the Backup Operators group.
C. Assign the Allow - Full Control permission on the encrypted folders and files to Victoria.
Designate Victoria as a recovery agent for the encrypted files.