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': 'Following conditions can themselves cause metabolic acidosis -a) Diarrheab) Diureticc) Ethylened) RTA \nSelect and explain. \nA. abc, B. acd, C. bc, D. bde', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]