This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
A patient came with a hearing defect. His tuning fork tests results were - Weber test - sound from a vibrating tuning fork was louder than normal; Schwabach test - bone conduction was better than normal, and Rinne test - air conduction did not outlast bone conduction. Diagnosis is 
Select and explain. 
A. Sensorial deafness in both ears, B. Conduction deafness in both ears, C. Normal hearing, D. Both sensorial and conduction deafness
B: Conduction deafness in both ears
Answer: B: Conduction deafness in both ears 
Explanation: Ganong's review of Medical Physiology, 25th ed, p 211