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': 'A previously healthy 58 years old man is admitted to the hospital because of an acute inferior myocardial infarction. Within several hours, he becomes oliguric and hypotensive (blood pressure is 90/60 mmHg). Insertion of a pulmonary artery (Swan-Ganz) catheter reveals the following pressures: pulmonary capillary wedge- 4 mmHg; pulmonary artery- 22/4 mmHg: and mean right atrial- 11 mmHg. This man would best be treated With - \nSelect and explain. \nA. Fluids, B. Digoxin, C. Dopamine, D. Intraaortic balloon counterpulsation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]