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