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: ENT
[{'content': 'The screening investigation of high risk neonates in ICU for suspected hearing loss is: \nSelect and explain. \nA. Otoacoustic emissions, B. Free field audiometry, C. Stapedial reflex testing, D. Pure tone audiometry', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The screening investigation of choice of high-risk neonates in ICU for suspected hearing loss is otoacoustic emissions.', 'role': 'assistant'}]