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: Surgery
[{'content': 'SHOEHORN forcep is : \nSelect and explain. \nA. Small straight elevator., B. Large straight elevator., C. Small forcep., D. Crossbar elevator.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]