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': 'Pathologic migration of tooth occurs: \nSelect and explain. \nA. Towards the bone resorption area, B. Always from the bone resorption area, C. Inciso occlusal direction, D. Axio inclined direction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]