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: Surgery
Which of the following are false diverticulae 
Select and explain. 
A. Zenker diverticulum, B. Epiphrenic diverticulum, C. Both of the above, D. None of the above
C: Both of the above
Answer: C: Both of the above 
Explanation: There is only mucosal herniation in both of them.