You are a Dynamics 365 administrator for a veterinarian clinic.

On the client appointment form, there is a dropdown field for clients to select their type of pet. If a client selects the option Other, the veterinarian wants a text field to appear so that additional details can be added.

You need to create a dynamically visible field.

What should you configure?

A. field visibility on the form
B. workflow
C. business process flow

D. business rule