What must John do to have the selected customer document open in read mode on the CustomerDocument XPage?

John added a Dynamic View Panel to the CustomersViews XPage to switch display to any one of several views in the Customers application. He set the pageName property to the CustomerDocument XPage to identify the XPage to open when a customer name is selected from the displayed view in the Dynamic View Panel control.

What must John do to have the selected customer document open in read mode on the CustomerDocument XPage?
A . For the Dynamic View Panel, set the openDocAsReadonly to "true".
B . Nothing. The selected document in a Dynamic View Panel will by default open in read mode.
C . For the Domino Document data source on the CustomerDocument XPage set the openDocAsReadonly to "true".
D . Code the onColumnClick event of the Dynamic View Panel control with the Open Page simple action and set the target property to"openDocument".

Answer: D