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: Orthopaedics
[{'content': "Triad of Fetty's syndrome does not include \nSelect and explain. \nA. Osteoporosis, B. Rheumatoid Arthritis, C. Spleenomegally, D. Neutropenia", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]