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': 'Albendazole is effective against all of the following except : \nSelect and explain. \nA. Roundworm, B. Hookworm, C. Tapeworm, D. Pinworm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]