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
The main function of HDL is 
Select and explain. 
A. Transport cholesterol from liver to peripheral tissues, B. Esterification with PUFA, C. Both of the above, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: None