You have a computer that runs Windows XP Professional. You need to create a floppy disk to start Windows XP Professional on the computer if the start files become corrupt. What should you do?（） 

• A、From the Windows XP Professional computer, run diskcopy.exe /v a:.
• B、From a computer that runs Windows 98, create a MS-DOS-based startup disk. 
• C、From the Windows XP Professional computer, create an Automated System Recovery (ASR) disk. 
• D、From the Windows XP Professional computer, format a floppy disk. Copy the NTLDR, ntdtetect.com, and boot.ini files to the floppy disk.