问题：

[单选]

Your network contains the following servers：
- A two-node Hyper-V failover cluster that runs Windows Server 2008 R2
- A server that has Microsoft System Center Operations Manager 2007 R2 installed
- A server that has Microsoft System Center Virtual Machine Manager 2008 R2 installed 
You need to provide certain users with the ability to create their own virtual machines （VMs）. The solution must minimize the number of permissions assigned to the users.
What should you do？（）

A . Deploy the VMM Self Service Portal. Create VM templates. Create a self-service user role
B . Deploy the VMM Self-Service Portal. Add the users to the Power Users group. Deploy the VMM Administrator Console to the users
C . Deploy Windows Deployment Services （WDS）. Create VM templates. Create a self-service user role
D . Deploy Windows Deployment Services （WDS）. Add the users to the Power Users group. Deploy the VMM Administrator Console to the user