Your company plans to upgrade 1，000 client computers to Windows 7. The company uses a custom line-of-business application that is frequently updated. The application is not compatible with Windows 7. You need to ensure that the company can use the application. You also need to ensure that the application can be updated with the least amount of administrative effort. What should you do？（）
A. Deploy Microsoft Enterprise Desktop Virtualization （MED-V） v2 to all Windows 7 client computers， and distribute thevirtual machine image and updates through MED-V TrimTransfer.
B. Deploy Microsoft Enterprise Desktop Virtualization （MED-V） v2 to all Windows 7 client computers， and distribute thevirtual machine image and updates through Microsoft System Center Configuration Manager.
Configure Windows XP Mode on all Windows 7 client computers， and distribute the virtual machine image and updates through a file share resource.
D. Configure Windows XP Mode on all Windows 7 client computers， and distribute the virtual machine image and updates through Microsoft System Center Configuration Manager.
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