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: Gynaecology & Obstetrics
[{'content': 'Which of the following is true regarding precocious puberty: \nSelect and explain. \nA. Sexual maturity is attained early, B. Mental function is increased, C. No reproductive function, D. Body proportions are enlarged', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]