The Difference Between Wandering Atrial Pacemaker and Multifocal Atrial Tachycardia

The difference between wandering atrial pacemaker and multifocal atrial tachycardia is

A) Wandering atrial pacemaker has a faster heart rate.
B) Multifocal atrial tachycardia has a faster heart rate.
C) Wandering atrial pacemaker has uniform shape P waves;multifocal atrial tachycardia has P waves of at least three different shapes.
D) Wandering atrial pacemaker has only two different shape P waves;multifocal atrial tachycardia has at least five different shaped P waves.