Thin crust, no green peppers

You have a training room full of identical computers running Windows XP, but the training room coordinator would like to change all of the systems to run a clean version of Windows 7. Each computer must also include the installation of four important training applications. Which of these installation methods would be the most efficient way to complete this task?

A) Remote installation

B) Clean install from the Windows 7 DVD-ROM

C) Sysprep

D) Unattended installation

E) This might be a pizza delivery night