You create a search center site for your Microsoft Office SharePoint Server 2007 portal. You need to display a new column named CompletionDate on a Search Core Results Web Part. Which two steps should you perform? (Each correct answer presents part of the solution. Choose two.)

A.
Add CompletionDate to the Additional Query Terms property on the Search Box Web Part.

B.
Add a section in the XSLT style sheet of the Search Core Results Web Part to process the CompletionDate column.

C.
Add a managed property entry in Enterprise Search Administration for items that have the CompletedDate property.

D.
Update the Selected Columns property of the Search Core Results Web Part to include the following text: <Column Name=”CompletionDate”/>