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
[{'content': 'Superimposition in cephalometric studies is done from registration point and it demonstrates growth of structures: \nSelect and explain. \nA. Farthest from the point, B. Nearest from the point, C. At the point, D. Both 1 and 3', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]