You have an Exchange Server 2010 organization.You need to ensure that you can install the Exchange Server 2010 administration tools on a desktop computer that runs Windows 7. What should you install first？（）

• A、IIS 6 Management Console Microsoft .NET Framework 3.5.1
• B、IIS 6 Metabase Remote Server Administration Tools
• C、Internet Explorer 8 Windows Process Activation Service
• D、Management Service Microsoft Message Queue （MSMQ） Server