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: Unknown
Cochlear implant is indicated at the minimum age of: 
Select and explain. 
A. 12 months, B. At birth, C. intrauterine, D. 24 months
A: 12 months
Answer: A: 12 months 
Explanation: The rationale of early surgery in deaf / mutism is to give auditory stimuli to child so that the child develops speech.