You create a Windows application by using the .NET Framework 3.5.
The application will connect to a Microsoft SQL Server 2008 database on the network. You are creating
the data access layer for the application.
The database schema will change regularly.
You need to ensure that the schema changes can be applied with minimum possible development effort.
Which data access technology should you use?

A.
The LINQ to SQL model

B.
The ADO.NET Entity Framework model

C.
The DataReader and SqlCommand objects

D.
The typed DataSet and DataAdapter objects