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
In Roll Back Malaria program, which of the following is not a component? 
Select and explain. 
A. Training for health care worker, B. Using Insecticide-treated bednets, C. Developing newer insecticides, D. Strengthening health system
C: Developing newer insecticides
Answer: C: Developing newer insecticides 
Explanation: None