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': "Short Metacaepals are not seen in \nSelect and explain. \nA. Down's syndrome, B. Turner's syndrome, C. Pseudohypoparathyroidism, D. Post-Trauma", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]