单项选择题

A.Run the bootcfg.exe application with the /fastdetect option.
B.Perform a clean installation of Windows Vista on the first partition.
C.Run the msconfig.exe application and change the order of the operating systems in the boot.ini file.
D.Edit the boot.ini file. Add the following line: Multi(0)Disk(0)Rdisk(0)Partition(1)\Microsoft Windows