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': 'Patient history reveals dyspnoea, orthopnea, and edema of the ankle and palpitation. Most likely diagnosis is: \nSelect and explain. \nA. Respiratory problem, B. Hepatic failure, C. Uremia, D. Congestive heart failure', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]