This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antibiotics, Subject name: Pharmacology
[{'content': 'The maximum sterilizing action is shown with which of the following anti-TB drug? \nSelect and explain. \nA. Rifampicin, B. Streptomycin, C. INH, D. Pyrazinamide', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pyrazinamide acts on slow-growing bacteria inside the macrophages causing maximum sterilization.Ref: katzung 13th edition; Pg: 819', 'role': 'assistant'}]