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
Initial screening test for newborn hearing disorder - 
Select and explain. 
A. ABR - Auditory Brainstem Response, B. Otoacoustic Emissions (OAE), C. Free Field Audiometry, D. Visual reinforcement audiometry
B: Otoacoustic Emissions (OAE)
Answer: B: Otoacoustic Emissions (OAE) 
Explanation: None