单项选择题

A.运行 Loadstate.exe,安装 Windows 7,然后运行 Scanstate.exe
B.运行 Sysprep.exe /audit,安装 Windows 7,然后运行 Sysprep.exe /oobe
C.运行“Windows 轻松传送” ,安装 Windows 7,然后再次运行“Windows 轻松传送”
D.创建一个 %systemdrive%\documents and settings 的备份,安装 Windows 7,然后还原该备份