It would be Alpha, If you need more, read up on the subject, if this is a mult. choice, than there is the answer. Good luck.
Answer:
Audiologist is you're Answer
Explanation:
Audiologists are experts who can help to prevent, diagnose, and treat hearing and balance disorders for people of all ages. ... Hearing Screening and Testing – Screen individuals to identify possible hearing disorders. Testing will confirm if a hearing loss is present and determine the kind and degree of loss.
Based on knowledge I would definitely say that I think the answer is C