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': 'Drugs used in CHF are \nSelect and explain. \nA. Nesiritide, B. Digoxin, C. Spironolactone, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref-KDT 6/e p502-507 The drugs used in congestive hea failure (CHF): Nesiritide Elastase Omapatrilat ACE', 'role': 'assistant'}]