You are upgrading computer1 and computer2 from Windows NT Workstation 4.0 to Windows 2000 Professional. You successfully upgrade computer1. During the upgrade of computer2, a series of power outages interrupts the upgrade.
You discover that the upgrade of computer2 is incomplete. Furthermore, you find that computer2 can no longer run Windows NT workstation 4.0. Computer2 does not support booting from the Windows 2000 Professional CD-ROM. You decide to use computer1 to help recover the failed upgrade.
What should you do?（）

A．On computer1, copy the CD-ROM driver and system files named ntdetect, ntbootdd.sys, Ntdll.dll and Setupldr.bin to a formatted floppy disk. On computer2, restart the computer by using the floppy disk. Then run WinNT32/debug from the Windows 2000 Professional CD-ROM.
B．From computer1, copy the CD-ROM driver and system files named Ntdetect, Ntbootdd.sys, Ntdll.dll, and Setupldr.bin to a formatted floppy disk. On the computer2, restart the upgrade by using the floppy disk. Then run WinNT32/rx from the Windows 2000 Professional CD-ROM.
C．On the computer1, run Makebt32.exe from the Bootdisk folder on the Windows 2000 Professional CD-ROM. On computer2, restart the upgrade by using the newly created floppy disks.
D．On computer1, perform. a remote installation from a network share. On computer2, when the text portion of setup has completed, resume the installation by using the Setup Manager.