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: Forensic Medicine
[{'content': 'Botulinum affects all, except: AI 07 \nSelect and explain. \nA. Neuromuscular junction, B. Preganglionic junction, C. Post-ganglionic nerves, D. CNS', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. CNS', 'role': 'assistant'}]