This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health programmes in India, Subject name: Social & Preventive Medicine
Under RCH programme, intervention done in selected districts- 
Select and explain. 
A. Immunization, B. Treatment of STD, C. ORS therapy, D. Vitamin A supplementation
B: Treatment of STD
Answer: B: Treatment of STD 
Explanation: <p> Treatment of STD done in selected districts. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:453 <\p>