From letters A to E which is correctly described?
A) nasopharynx: usually receives only air, helps equalize pressure in inner ear
B) oropharynx: receives food and air, contains palatine and lingual tonsils
C) laryngopharynx: receives only food, lined with ciliated pseudostratified columnar epithelium
D) A and B are correct
E) A, B and C are correct