You have a computer that runs Windows 7. You need to capture the operating system and all the computerconfigurations to a Windows image (WIM) file.  What should you do before you capture the image?（）

• A、Run Oscdimg.exe.
• B、Run Windows System Image Manager （Windows SIM）.
• C、Open a command prompt that has elevated privileges.
• D、Start the computer by using Windows Preinstallation Environment （Windows PE）.