You create an application by using Microsoft Visual Studio 2008 and the .NET Framework 3.5.
You plan to design the business layer of the application. The business layer must meet the following requirements:
– It must expose the business operations as Web services.
– It must provide built-in long-running transaction capabilities.
You need to identify an appropriate technology to implement the business layer.
Which technology should you use?

A.
Microsoft COM+

B.
Microsoft ASMX Web Services

C.
Microsoft Messaging Queue

D.
Microsoft Windows Workflow Services