You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application updates several Microsoft SQL Server databases within a single transaction. You need to ensure that after a resource failure, you can manage unresolved transactions. What should you do?

A.
Call the EnlistVolatile method of the Transaction class.

B.
Call the EnlistDurable method of the Transaction class.

C.
Call the Reenlist method of the TransactionManager class.

D.
Call the RecoveryComplete method of the TransactionManager class.