This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
[{'content': "The most appropriate circuit for ventilating a spontaneously breathing infant during anaesthersia is \nSelect and explain. \nA. Jackson rees modification of Ayre's t piece, B. Mapleson a or magill'scircuint, C. Mapleson c or Waters to and fro canister, D. Bains circuit", 'role': 'user'}, {'content': "Answer: A \nExplanation: (Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no.33)", 'role': 'assistant'}]