All servers on your company’s network run Windows Server 2008 R2. All client computers run Windows Vista.  The company is planning to virtualize an application that runs only on Windows 2000 Professional. You need to recommend a virtualization solution that enables users to run the virtualized application while their computers are disconnected from the corporate network.    Which technology should you recommend？（）

• A、Remote Desktop Services （RDS）
• B、Microsoft Application Virtualization （App-V）
• C、Microsoft Virtual Desktop Infrastructure （VDI）
• D、Microsoft Enterprise Desktop Virtualization （MED-V）