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
All of the following muscles take their origin from the outer surface of the mandible EXCEPT: 
Select and explain. 
A. Buccinator, B. Depressor anguli oris, C. Mentalis, D. Platysma
D: Platysma
Answer: D: Platysma 
Explanation: None