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
In infant most sensitive audiometric screening is - 
Select and explain. 
A. Electrocochleography, B. BERA, C. Cortical evoked response, D. Tympanometry
B: BERA
Answer: B: BERA 
Explanation: None