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 a bilateral landmark on the
lateral cephalogram 
Select and explain. 
A. Basion, B. Pogonion, C. Gonion, D. Nasion
C: Gonion
Answer: C: Gonion 
Explanation: None