Which of the Following Is NOT True in Regard to Adding

Which of the following is NOT true in regard to adding command buttons to the navigation form?

A) Command buttons can be added to forms and reports that are accessed through the navigation form.
B) Buttons are more intuitive than the navigational arrows at the bottom of a form.
C) Instead of requiring the user to use the selection arrows and navigation buttons on a form,you can insert buttons with navigation and selection commands for them to use.
D) If you are adding command buttons,you must disable the navigational arrows at the bottom of the form or the command buttons will not work properly.