You are creating a Windows Communication Foundation service by using Microsoft NET Framework 3.5
You write the following code segment.
(Line numbers are included for reference only)

01 [ServiceContract(Namespace="http://uri.contoso.com )]
02 public interface IMyService
03 {
04 [OperationContract]
05 string ProcessDetails(string s);
06 [OperationContract(Action="UpdateStatus")]
07 void UpdateStatus();
08 …
09 }

If the existing operation contract is unable to process a request made to the service a generic operation contract must attempt to process the request.
You need to create the generic operation contract.
Which code segment should you insert at line 06?

A.
[OperationContract(Action="*")]
void ProcessOthers(Message msg);

B.
[OperationContract(Action="*")]
void ProcessOthers();

C.
[OperationContract(Action="Default")]
void ProcessOthers(Message msg);

D.
[OperationContract(Action="Default")]
void ProcessOthers();