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
Mebendazole cannot be used for : 
Select and explain. 
A. Ascariasis, B. Entrobius vermicularis, C. Onchocercosis, D. Hydatid cyst disease
C: Onchocercosis
Answer: C: Onchocercosis 
Explanation: None