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
[{'content': 'All of the following are indications for eicosanoids or their inhibitors EXCEPT : \nSelect and explain. \nA. Abortion, B. Essential hypertension, C. Patent ductus arteriosus, D. Transposition of the great arteries', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]