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: Social & Preventive Medicine
Drugs are used in AKT-4 kit for TB as 
Select and explain. 
A. None, B. Decrease in resistance by conjugation, C. To cure disease early, D. Decrease in resistance by mutation
D: Decrease in resistance by mutation
Answer: D: Decrease in resistance by mutation 
Explanation: None