You are planning to migrate an existing web application to Windows Azure.  The application consists of an ASP.NET web application and a set of native Win32 Windows Services that provide data to the application by using named pipes. The Windows Services cannot be modified.  You need to recommend a strategy for migrating the application to Windows Azure.  What should you recommend？（）

• A、 Define a Windows CommunicationFoundation （WCF） contract for the services.
• B、 Deploy each Windows Service to a separate worker role.  Deploy the ASP.NET application to a web role.
• C、 Deploy the application and Windows Services in a Windows Azure VM role.
• D、 Upload service binaries to a web role by using the Windows Azure Service Management API.