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: Pharmacology
Which of the following drugs reduces the activity of phospholipase A2 ? 
Select and explain. 
A. Alprostadil, B. Aspirin, C. Ibuprofen, D. Prednisolone
D: Prednisolone
Answer: D: Prednisolone 
Explanation: None