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 patient with short stature, sexual infantilism and congenital anomalies with chromosomal abnormalities `XO'. Diagnosis is – \nSelect and explain. \nA. Turner's syndrome, B. Klinefelter syndrome, C. Testicular feminization syndrome, D. Gonadal agenesis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]