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
[{'content': 'A 55 year old patient with disseminated tuberculosis is prescribed drugs. Which of the following might be seen in patient of TB, who has regularly been injecting intramuscular injection of streptomycin: \nSelect and explain. \nA. Blindness, B. Increased AST levels, C. Impotence, D. Deafness', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Deafness', 'role': 'assistant'}]