You are an enterprise application developer. You are developing a Web service. The service will be consumed by client applications that are built on the .NET and other platforms. The Web service will return a collection to the client applications. You need to ensure that the client applications can consume the collection. You want to achieve this goal by using the minimum amount of development effort.
What should you do?

A.
Use a DataSet.

B.
Use a DataTable.

C.
Use serializable objects.

D.
Use the MarshalByRefObject base class.