You need to create a Microsoft .NET Framework console application that queries a list by using the SharePoint client object model.

Which two assemblies should you reference? (Each correct answer presents part of the solution. Choose two.)

A.
Microsoft.Office.Sharepoint.ClientExtensions.dll

B.
Microsoft.SharePoint.Client.dll

C.
Microsoft.SharePoint.Client.Runtime.dll

D.
Microsoft.SharePoint.Client.Silverlight.Runtime.dll

Explanation:
MNEMONIC RULE: “Runtime and the parent”

SharePoint 2010: Introducing the Client Object Model
http://www.chakkaradeep.com/post/SharePoint-2010-Introducing-the-Client-Object-Model.aspx