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?

ABC.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 ABC.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?

A.
Critical volume backup

B.
Backup of all the volumes

C.
Backup of the volume that hosts Operating system

D.
Backup of AD DS folders

E.
all of the above