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': 'The drug found to be beneficial in amyotrophic lateral sclerosis is : \nSelect and explain. \nA. Riluzole, B. Methylprednisolone, C. Hydroxyurea, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]