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
Albendazole is effective against all of the following except : 
Select and explain. 
A. Roundworm, B. Hookworm, C. Tapeworm, D. Pinworm
C: Tapeworm
Answer: C: Tapeworm 
Explanation: None