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
World bank gives loans for 
Select and explain. 
A. Cobalt therapy of radiotherapy department, B. For economic growth, C. Purchase of microscope for tuberculosis investigation, D. To change of the social justice
B: For economic growth
Answer: B: For economic growth 
Explanation: None