This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'Base of hea is at the level of which veebrae \nSelect and explain. \nA. C4-C7, B. C7-T2, C. T5-T8, D. T9-T12', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Base of the hea is at the level of T5_T8 veebrae B D CHAURASIA&;S HUMAN ANATOMY UPPER LIMB THORAX-VOLUME-1,SIXTH EDITION,Page no-257', 'role': 'assistant'}]