Your network contains a SharePoint Server 2007 server farm. The farm contains a Web Part page. The Web Part page contains a
Web Part named WebPart1. WebPart1 dispalys a List called List1

You need to ensure that WebPart1 only displays to users in the sales department

What should you do first?

A.
Create an information managment policy.

B.
Modify the permission of the Web Part Page

C.
Create an audience

D.
Modify the advanced settings of List1