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 reproductive and child health programme,districts are divided on the basis of – 
Select and explain. 
A. Crude birth rate & infant mortality rate, B. Crude birth rate & female literacy rate, C. Crude death rate & crude birth rate, D. Couple protection rate & infant mortality rate
B: Crude birth rate & female literacy rate
Answer: B: Crude birth rate & female literacy rate 
Explanation: None