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: Forensic Medicine
Blood is stored at what temperature: FMGE 10 
Select and explain. 
A. 4degC, B. -20degC, C. -70degC, D. Room temperature
A: 4degC
Answer: A: 4degC 
Explanation: Ans. 4degC