This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'The following drug is given in pulsatile manner \nSelect and explain. \nA. Octreotide, B. Abarelix, C. Goserelin, D. Aspirin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: GNRH agonists are given both in Pulsatile and continuous manner. GNRH antagonists are usually given in continuous manner. Goserelin is GNRH agonist. Abarelix is GNRH antagonist.Ref: Goodman Gillman 12th ed.Pg:1121', 'role': 'assistant'}]