To evaluate the swallow for paste consistency, the patient was given 1/2 teaspoon of moderately thick barium paste. Which of the following accurately describes this swallow? A. The bolus filled the valleculae but did not pass below the epiglottis before the swallow response. B. The bolus passed posterior to the epiglottis before the swallow response. C. The bolus penetrated the laryngeal vestibule before the swallow response. D. Approximately 10% of the bolus was aspirated.