This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Arch of aoa develops from which aoa arch aery \nSelect and explain. \nA. Right 1st, B. Right 3rd, C. Left 4th, D. Left 3rd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:254The arch of aoa is derived from the ventral pa of the aoic sac(1), its left horn (2)and the left fouh aery(3)', 'role': 'assistant'}]