You are the newly appointed system administrator at Certkiller.com. You make use of Microsoft.NET Framework v3.5 to create a Microsoft ASP.NET application.  You are responsible for a local instance of Microsoft SQL Server 2005 named CERTKILLER-SR02. CERTKILLER-SR02 hosts the ASP.NET Web application. CERTKILLER-SR02 makes useof Windows Authentication. You are in the process of planning the configuration of the membership providers as well as the role management providers. It is important that you install thedatabase elements for both the providers on CERTKILLER-SR02 from the command line.  What should you do？（）

• A、Your best option would be to run the aspnet_regsql.exe -E -S localhost -A mr command.
• B、Your best option would be to run the sqlcmd.exe -S localhost E command.
• C、Your best option would be to run the sqlmetal.exe /server：localhost command.
• D、Your best option would be to run the aspnet_regiis.exe -s localhost command.