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
All are ototoxic drugs except 
Select and explain. 
A. Diuretics, B. Streptomycin, C. Quinine, D. Propanolol
D: Propanolol
Answer: D: Propanolol 
Explanation: OTOTOXIC DRUGS Ref:- Dhingra; pg num:-33,34