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: Pharmacology
[{'content': 'Which of the following statements is WRONG about amiodarone ? \nSelect and explain. \nA. It is longest acting anti–arrhythmic drug., B. It has positive ionotropic action., C. It contains iodine, D. It causes pulmonary fibrosis.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]