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.