You have a customized image of Windows 7 Professional. You need to create a new unattended file to automate the deployment of the image. You must achieve this goal by using the minimum amount of administrative effort. What should you do first?

A.
Run Imagex.exe and specify the /mount parameter.

B.
Run Dism.exe and specify the /mount-WIM parameter.

C.
From Microsoft Deployment Toolkit (MDT), add the custom Windows image (WIM).

D.
From Windows System Image Manager (Windows SIM), open the custom Windows image (WIM).