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: Biochemistry
Average daily dose of vitamin-C is: 
Select and explain. 
A. 30 - 40 mg, B. 50 - 60 mg, C. 60 - 100 mg, D. 100 - 150 mg
B: 50 - 60 mg
Answer: B: 50 - 60 mg 
Explanation: None