You add a lookup for contacts to the case form.

You need to display the most recent primary phone number

for a contact on the case form while minimizing administrative effort.

What should you do?

A. Use a workflow to copy the phone number to a new field on the case when the contact changes.

B. Use a quick view form to display the phone number.

C. Use a web

resource to query and display the phone number.

D. Use field mapping during record creation to copy the phone number to a new field on the case.