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: Pediatrics
[{'content': 'A nineteen year old female with short stature, wide spread nipples and primary amenorrhoea most likely has karyotype of – \nSelect and explain. \nA. 47, XX + 18, B. 46XXXY, C. 47, XXY, D. 45 XO', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]