You need to enhance performance of foreground and background applications. How can you configure Windows 2000 Professional to process both foreground and background applications at the same priority？ （）

• A、By selecting the applications options in the performance options dialog box.
• B、By selecting the application services option in the performance options dialog box.
• C、By selecting the background option in the performance options dialog box.
• D、By selecting the background services option in the performance options dialog box.