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': 'The sequence of development of puberty in girls is: \nSelect and explain. \nA. Thelarche, Pubarche, Menarche, B. Pubarche, Thelarche, Menarche, C. Pubarche, Menarche, Thelarche, D. Menarche, Thelarche, Pubarche', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]