You work as the application developer at Certkiller .com. Certkiller .com uses Visual Studio.NET 2005 as its application development platform. You are developing a Windows Service application which contains three different Windows services. You are required to only set one Windows service to start automatically when the system is restarted. What should you do?（）

• A、Use the ServiceController class.
• B、Use the ServiceBase class.
• C、Use the ServiceProcessInstaller class.
• D、Use the ServiceInstaller class.