All of the following statements regarding pharynx are correct except_____________?

A. The opening of auditory tube is located in the lateral wall of naxopharynx
B. The soft palate is at the level of separation of nasopharynx and the oropharynx
C. The pharynx is continuous with the esophagus at the level of sixth cervical vertebrae
D. The afferent limb of the gag reflex is 10th cranial nerve; the efferent limb is IX cranial nerve