This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Killian's dehiscence is found outpouching of: 
Select and explain. 
A. Oropharynx., B. Nasopharynx., C. Laryngopharynx., D. Lateral nasal wall.
C: Laryngopharynx.
Answer: C: Laryngopharynx. 
Explanation: None