You are using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2 to perform a  physical-to-virtual （P2V） conversion of a Windows Server 2008 R2 server. You need to prepare the server for the P2V conversion. Which two actions should you perform on the server？（）

• A、Run the Chkdsk utility.
• B、Perform a disk defragmentation.
• C、Stop the Volume Shadow Copy service.
• D、Convert the system partition to a dynamic disk.