You work in an international company which is named TXTWIN. And you’re in charge of the company network and use Microsoft BizTalk Server 2006 R2.
An orchestration has to be configured. In a Microsoft .NET Framework assembly, a method has to be called by using the orchestration in a class. The class is not marked as serializable. So what should you do?

A.
From a Message Assignment shape, you should call the method.

B.
From an Expression shape, you call the method within an atomic transaction.

C.
From an Expression shape, you call the method within a long-running transaction.

D.
You should construct a serializable object within an Expression shape. From this Expression shape, call the method.

Explanation:
BURGOS: mnemo: “serializable” = “atomic transaction”