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
In depressed zygomatic arch fracture, difficulty in opening the mouth is caused by impingement of: 
Select and explain. 
A. Condyles, B. Ramus, C. Petrous temporal, D. Coronoid process
D: Coronoid process
Answer: D: Coronoid process 
Explanation: None