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': 'In ARDS, not true is - \nSelect and explain. \nA. Decreased pulmonary compliance, B. Increased pulmonary aery pressure, C. Increased left atrial pressure, D. Severe hypoxemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Increased Left atrial pressure) PCWP of - 18mm lb, with no clinical evidence of increased left atrial pressure.', 'role': 'assistant'}]