All servers on your company’s network run Windows Server 2008 R2. All users have thin client computers. You need to recommend a virtualization solution that allows users to use applications that run only on Windows 7.   Which technology should you recommend？（）

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