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: Pharmacology
A person on anti–tubercular drugs complained of deafness and tinnitus in one ear. Drug implicated is : 
Select and explain. 
A. Streptomycin, B. Isoniazid, C. Ethambutol, D. Rifampicin
A: Streptomycin
Answer: A: Streptomycin 
Explanation: None