You are planning to deploy two Windows Server 2008 R2 Hyper-V servers. You need to design the storage of VHD files for maximum security. What should you do？（）

• A、Store the VHD files on a dedicated NTFS volume
• B、Store unencrypted VHD files on a volume that uses Windows BitLocker drive encryption
• C、Encrypt the VHD files by using EFS on a volume that uses Windows BitLocker drive encryption
• D、Encrypt the VHD files by using EFS on a volume that does not use Windows BitLocker drive encryption