You need to apply the settings in the unattended file to the reference computer

You have a reference computer that runs Windows 7. You have an unattended file that only contains settings
for the specialize configuration pass. You need to apply the settings in the unattended file to the reference
computer. Your solution must minimize the time required to complete the operation. What should you do?

A.
Run imagex.exe and specify the /apply parameter.

B.
Run setup.exe and specify the /unattend parameter.

C.
Run reagentc.exe and specify the /enable parameter.

D.
Run sysprep.exe and specify the /unattend parameter.