Your company has a single Active Directory Domain Services （AD DS） domain with Windows Server 2008 R2 member servers and 1，000 Windows 7 client computers. You are designing the deployment of a custom application.   You have the following requirements：   The application must be available to only users who need it. Minimize network traffic during deployment.   You need to design a deployment strategy that meets the requirements.   Which deployment method should you use？（）

• A、RemoteApp and Desktop Connections
• B、software installation in Group Policy
• C、Microsoft Application Virtualization （App-V）
• D、Microsoft System Center Configuration Manager 2007