All client computers in your network run Windows XP. Some of the computers are part of a secure network. Some of the computers connect to the network by using virtual private networking （VPN）. You are planning to deploy Windows 7.   You have the following requirements：   Use a dedicated server for deployment.  Use a single operating system image for deployment.   Ensure that you can use removable media to deploy the image.   Ensure that you can select which applications are installed onto a client computer at the time of deployment.   You need to design a deployment strategy that meets the requirements.   What should you do？（）

• A、 Using a Windows PE boot media， use ImageX to apply the image from a network share to the client computers.
• B、 Use System Center Configuration Manager 2007 R2 to perform a zero-touch installation.
• C、 Use the Microsoft Deployment Toolkit to perform a lite-touch installation.
• D、 Use Windows Deployment Services on a network server to deploy Windows 7 by using an install image.