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: Medicine
[{'content': 'Lambert Eaton myasthenic syndrome is \nSelect and explain. \nA. A post synaptic disorder, B. Characterized by preserved deep tendon reflexes, C. Characterized by decremental response in ENMG, D. Associated with autonomic dysfunction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]