This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': "Which of the following is eliminated by Hoffmann elimination? \nSelect and explain. \nA. Althesin, B. D'Tubocurarine, C. Pancuronium, D. Atracurium", 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]