You install the Web Server （IIS） role on a server that runs Windows Server 2008. Your companys default Web site has an IP address of 10.10.0.1.  You add a Web site named HelpDesk. The HelpDesk Web site cannot be started.You need to configure the Helpdesk Web site so that it can be started. What should you do？（）

• A、Run the iisreset /enable command on the server.
• B、Configure the Helpdesk Web site to use a host header.
• C、Run the appcmd add site /name： HelpDesk /id：2 /physicalPath： c：/HelpDesk /binding：http/*：80：helpdesk command on the server.
• D、Run the set-location Cliteralpath "d：/HelpDesk_content" HelpDesk ID://2 location port：80 domain：helpdesk command in the Microsoft Windows PowerShell tool on the server.