This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
A person hearing two different tones in left and right ears when presented with a single tone. This condition is called. 
Select and explain. 
A. Diplacusis, B. Paracusis, C. Presbycusis, D. Hyperacusis
A: Diplacusis
Answer: A: Diplacusis 
Explanation: (a) Diplacusis(Ref. Cummings, 6th ed., 2556)Paracusis Willisii is paradoxical hearing better in noisy surroundings and is a feature of otosclerosisPresbycusis is age related hearing lossHyperacusis is normal sounds appearing louder and is a feature of facial nerve palsy