Customer is asking if new IBM UEFI recognizes their Windows 2003 Enterprise Operational System. What is the correct answer？（）

• A、UEFI can support Windows 2003 Enterprise in native mode
• B、UEFI can emulate BIOS and support Windows 2003 with no performance impact
• C、An upgrade must be done to Windows 2003 Enterprise x64
• D、Only supports Windows 2003 as a virtual machine guest （VMware or Hyper-V）