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
Anti–inflammatory action of corticosteroids is due to blocking of: 
Select and explain. 
A. 15 lipoxygenase, B. Prostaglandin synthetase, C. Thromboxane synthetase, D. Break down of phospholipids
D: Break down of phospholipids
Answer: D: Break down of phospholipids 
Explanation: None