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
When a patient's chin and mandible deviate to the right upon opening, which of the following is a possible cause? 
Select and explain. 
A. Hyperplasia of the right condyle, B. Fracture of the left condyle, C. Ankylosis of the left condyle, D. Hypoplasia of the right condyle
D: Hypoplasia of the right condyle
Answer: D: Hypoplasia of the right condyle 
Explanation: None