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
For every 100 kilocalories, vitamin B1 required is – 
Select and explain. 
A. 0.05 mg, B. 0.5 mg, C. 5.0 mg, D. 1.0 gm
A: 0.05 mg
Answer: A: 0.05 mg 
Explanation: None