You manage Hyper-V host servers and virtual machines （VMs） by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. Developers are members of an AD security group named  Development. You need to ensure that on a specific host server， members of the Development group can perform only the Create，Modify，and Remove VM management tasks. What should you do？（）

• A、Create a Self-Service user role and add the Development group to this role.
• B、Create a Delegated Administrator user role and add the Development group to this role.
• C、In Authorization Manager， create a role on the client computer of each member of the Development group， and add the Development group to this role.
• D、Install Hyper-V Manager on the client computer of each member of the Development group，and grant the Development group administrative privileges on the specific server.