You create a Microsoft ASP.NET Web application by using the Microsoft .NET Framework version 3.5. The computer that hosts the ASP.NET Web application contains a local instance of Microsoft SQL Server 2005. The instance uses Windows Authentication. You plan to configure the membership providers and the role management providers.  You need to install the database elements for both the providers on the local computer.  What should you do？ （）

• A、Run the sqlcmd.exe -S localhost E command from the command line.
• B、Run the aspnet_regiis.exe -s localhost command from the command line.
• C、Run the sqlmetal.exe /server：localhost command from the command line.
• D、Run the aspnet_regsql.exe -E -S localhost -A mr command from the command line.