You are designing a MOSS 2007 solution. You need to implement a Single Sign-On (SSO) provider to access a Business Data Catalog (BDC).

What should you do?

A.
Reference the Microsoft.SharePoint.Portal assembly

B.
Reference the Microsoft.SharePoint.SubServer assembly

C.
Reference the Microsoft.Office.Server.Utility assembly

D.
Reference the Microsoft.Office.Server.WebControls assembly