Which runtime service should you use?

You create a Windows Workflow Foundation application by using Microsoft .NET Framework 3.5. The workflow uses a TransactionScopeActivity activity. When you run the workflow, a runtime exception is thrown. You need to add a workflow runtime service to make the workflow functional. Which runtime service should you use?

A.
SqlTrackingService

B.
SqlWorkflowPersistenceService

C.
ManualWorkflowSchedulerService

D.
SharedConnectionWorkflowBatchService