You install the Web Server （IIS） role on a server that runs Windows Server 2008. You configure a Web site named contoso.com and a Web application named Acctg on the Web server.  The Web server runs out of disk space. You move Acctg to another drive on the Web server. The following table shows the current application configuration. Users report that they cannot access Acctg. You need to enable users to access Acctg. Which command should you run on the server？（）

• A、appcmd add app /site.name： contoso /path：/Acctg /physicalPath：d：/Acctg
• B、appcmd add app /site.name： contoso /path：/Acctg /physicalPath：f：/Acctg
• C、appcmd set app /site.name： contoso /path：/Acctg /physicalPath：d：/Acctg
• D、appcmd set app /site.name： contoso /path：/Acctg /physicalPath：f：/Acctg