All the Following Are TRUE Concerning the Pharynx EXCEPT

Multiple Choice

All the following are TRUE concerning the pharynx EXCEPT:

A) it extends from the base of the skull to the lower border of the cricoid cartilage
B) its wall consists of four layers
C) the pharyngotympanic tube opens into the nasopharynx
D) the oropharynx is posterior to the oral cavity
E) the laryngopharynx lies above and posterior to the opening of the larynx