You are upgrading a computer from Windows 98 to Windows 2000 Professional. The computer is a Pentium III - 400 MHz, has 128 MB of RAM and a 10-GB hard disk.  You are performing the installation using the Windows 2000 Professional CD-ROM. After the text mode installation portion is complete, you restart the computer. The BIOS virus checker on your computer indicates that your computer is infected with a master boot record virus.  What should you do before you continue with the installation? （）

• A、 Remove the virus checker in Windows 98. 
• B、 Disable the ‘BIOS virus checker’ and restart the computer. 
• C、 Run Fixmbr.Exe from the Windows 20000 Professional CD-ROM. 
• D、 Modify the Boot.ini to include a signature parameter on the ARC path of the system partition.