A customer needs a new database server.  Their third-party application requires Microsoft SQL Server.  They have 100 users who will login to the network and store their data files on the network server.  They will also require the server to be an email server and to deploy a central antivirus solution.  Which of the following network operating systems would satisfy these requirements？（）

• A、SuSE Linux Enterprise 9
• B、Red Hat Linux Advanced Server 3
• C、Microsoft Windows 2003 Server Web Edition
• D、Microsoft Windows 2003 Server Standard Edition