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
The value of proteins in Soyabean is about ? 
Select and explain. 
A. 43%, B. 50%, C. 58%, D. 58%
A: 43%
Answer: A: 43% 
Explanation: Ans. is 'a' i.e., 43%