This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'In LVE ,the drug which can be administered is \nSelect and explain. \nA. Propanonol, B. Morphine, C. Epinephrine, D. Amlodipine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref-KDT 6/e p461 Morphine is the drug which can be administered in LVE', 'role': 'assistant'}]