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': 'Double aoa develops from \nSelect and explain. \nA. 1st arch aery, B. 2nd arch aery, C. Right dorsal aoa, D. Left dorsal aoa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Inderbir Singh&;s Human embryology Tenth edition Pg 257Double aoa occurs due to the persistence of distal poion of the right dorsal aoa', 'role': 'assistant'}]