Certkiller .com has a network that consists of a single Active Directory domain. A technician has accidently deleted an Organizational unit （OU） on the domain controller. As an administrator of Certkiller .com， you are in process of restoring the OU. You need to execute a non-authoritative restore before an authoritative restore of the OU. Which backup should you use to perform non-authoritative restore of Active Directory Domain Services （AD DS） without disturbing other data stored on domain controller（）
- ACritical volume backup
- BBackup of all the volumes
- CBackup of the volume that hosts Operating system
- DBackup of AD DS folders
- Eall of the above