Your company has client computers that run Windows 7 Enterprise. You need to provide 10 users with an additional operating system boot option. What should you do？（）

A. Use Bootcfg to modify the boot parameters.
B. Use the DiskPart tool in Windows PE to attach a Virtual Hard Drive （VHD）.
C. Use BCDedit to add a native-boot Virtual Hard Drive （VHD） entry to the boot menu.
D. Use BCDboot to modify the system partition.