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: Pathology
Freezing point of normal human plasma is: 
Select and explain. 
A. 4° C, B. 0° C, C. –0.54° C, D. –1.54° C
C: –0.54° C
Answer: C: –0.54° C 
Explanation: None