You work as the IT professional in an international company which is named Wiikigo. You are experiencedin implementing and administering a network operating system. You are specialized in deploying servers，configuring Windows Server 2008 Terminal services and network application services， and configuring aweb services infrastructure. The Web Server （IIS） server role is installed on a server， and Windows Server2008 is run. There is a Web site named www.wiikigo.com/hr in your company's human resources department. Since you are the technical support，you are required to have a virtual directory created on thecompany Web site for the HR department. To achieve the goal，which command should be run on the Webserver？（）

• A、To achieve the goal， appcmd add site /name：hr /physicalPath：c：/websites/hr should be run.
• B、To achieve the goal， appcmd add vdir /app.name：wiikigo /path：/hr /physicalPath：c：/websites/hr shouldbe run.
• C、To achieve the goal， appcmd set vdir /vdir.name：hr /path：/hr /physicalPath：c：/websites/hr should be run.
• D、To achieve the goal， appcmd add app /app.name：wiikigo /path：/hr /physicalPath：c：/websites/hr shouldbe run.