This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
[{'content': 'The commonest cause of death in ARDS is: \nSelect and explain. \nA. Hypoxemia, B. Hypotension, C. Non pulmonary organ failure, D. Respiratory failure', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In ARDS, most of the deaths are attributable to sepsis or multiorgan failure and in some cases direct lung injury.(ref Robbins 9th/674)', 'role': 'assistant'}]