【单选题】You are developing a Windows Communication Foundation (WCF) service that allows customers to update financial data. The client applications call the service in a transaction. The service contract is d...
A.
Insert the following line at line 22: throw;
B.
Insert the following line at line 09: [ServiceBehavior(TransactionAutoCompleteOnSessionClose=false)]
C.
Replace line 12 with the following line: [OperationBehavior(TransactionScopeRequired=true, TransactionAutoComplete= false)]
D.
Insert the following line at line 09.: [ServiceBehavior(TransactionAutoCompleteOnSessionClose=true)]