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': 'Fear of Strangers and Fear of Separation from parents for\nthe children will be diminished by \nSelect and explain. \nA. First Birthday, B. Fifth Birthday, C. Third Birthday, D. Seventh Birthday', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]