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 basic life support (BLS), support is given to which of the following organ -a) Lungb) Heartc) Kidneyd) Skeletal musclee) Brain (CNS) \nSelect and explain. \nA. abc, B. bcd, C. cde, D. abe', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]