This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood transfusion, Subject name: Pathology
Arrange the following blood components in descending order of their shelf life: A. Platelets at 20 degrees C B. FFP at -18 degrees C C. Whole blood with CPDA-1 solution at 4 degrees C D. Whole blood with CPD solution at 4 degrees C 
Select and explain. 
A. A,D,B,C, B. B,C,A,D, C. D,A,C,B, D. B,C,D,A
D: B,C,D,A
Answer: D: B,C,D,A 
Explanation: Storage Temperature Shelf life Whole blood 2-6degC 21 days (in citrate-phosphate-dextrose (CPD))35 days (in citrate-phosphate-dextrose-adenine (CPDA-1)) Platelets 20-24degC 5 days FFP -18degC 1 year Cryoprecipitate -18degC 1 year