Your network contains an Active Directory domain named contoso.com. The domain contains a server named Server! that runs Windows Server 2012 R2. Server1 contains a virtual machine named VM1 that runs Windows Server 2012 R2.You need to ensure that a user named User1 can install Windows features on VM1. The solution must minimize the number of permissions assigned to User1. To which group should you add User1？（）

• A、Administrators on VM1
• B、Power Users on VM1
• C、Hyper-V Administrators on Server1
• D、Server Operators on Server1