Which of the following can occur in disorders of the pharyngeal phase of swallowing?

A) If peristalsis is slow or absent, the complete bolus might not be transported to the stomach.
B) An open velopharyngeal port can lead to substances going into and out of the nose.
C) If the lips do not seal properly, drooling can occur.
D) The muscles of the tongue might not function purposefully or efficiently enough to move food to the teeth.