You have the Web Server （IIS） role installed on a server that runs Windows Server 2008. You create a Web site named contoso.com. You copy an application named WebContent to the server. You need to enable the WebContent application on the Web site. What should you do？（）

• A、At the command prompt on the server， run the appcmd add site command.
• B、At the command prompt on the server， run the appcmd add vdir command.
• C、Select the Web site from the Internet Information Services （IIS） Manager console. Select Add Application.
• D、Select the Web site from the Internet Information Services （IIS） Manager console. Select Add Virtual Directory.