Your network contains an Active Directory domain named contoso.com. The domain contains a member server named Server1. Server1 runs Windows Server 2012 R2 and has the File Server server role installed. On Server1， you create a share named Documents. You need to ensure that users can recover files that they accidently delete from Documents. What should you do？（）

• A、Enable shadow copies by using Computer Management
• B、Modify the Startup type of the Volume Shadow Copy Service （VSS） by using the Services console
• C、Create a recovery partition by using Windows Assessment and Deployment Kit （Windows ADK）.
• D、Create a storage pool that contains a two-way mirrored volume by using Server Manager