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: Dental
Which of the following is not characteristic feature of Binder syndrome? 
Select and explain. 
A. Acute naso-labial angle, B. Flat nasal bridge, C. Class III malocclusion, D. Class II malocclusion
D: Class II malocclusion
Answer: D: Class II malocclusion 
Explanation: None