You are designing a Windows application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and Microsoft SQL Server 2008.
You need to design a data access strategy that meets the following requirements:
Automatically tracks changes
Maps the database data model to the object model

Which data access technology should you use?

A.
LINQ to SQL

B.
LINQ to XML

C.
ADO.NET DataSet

D.
ADO.NET DataReader