You plan to use Windows PowerShell scripts to configure system settings when you deploy Windows 7.   You need to ensure that Windows PowerShell scripts will run on the client computers during initial setup.   What should you do？（）

• A、Set the script execution policy to RemoteSigned.
• B、Set the script execution policy to AllSigned.
• C、Set the script execution policy to Restricted.
• D、Use Group Policy preferences.