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: Pediatrics
The most important factor to overcome protein energy malnutrition in children less than 3 years is –a) Supply of subsidised food from ration shopb) Early supplementation of solids in infantsc) Immunisation to the childd) Treatment of anaemia and pneumonia in infant and toddlers 
Select and explain. 
A. a, B. c, C. ac, D. bc
D: bc
Answer: D: bc 
Explanation: None