Which approach should you recommend?

You are designing a SharePoint 2010 application. You are also designing a Microsoft .NET Framework client
application that will interact with the SharePoint application.
You need to design the client application to create, update, and delete lists.
Which approach should you recommend?

A.
Use the SP.UI.UIUtility class in the client application.

B.
Use SharePoint 2010 Web services in the client application.

C.
Use the SharePoint Foundation 2010 managed client object model in the client application.

D.
Create a Business Connectivity Services (BCS) package that manages tasks between the client and server
applications.