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
Griseofulvin is not useful in one of the following : 
Select and explain. 
A. Tinea capitis, B. Tinea cruris, C. Tinea versicolor, D. Tinea pedis
C: Tinea versicolor
Answer: C: Tinea versicolor 
Explanation: None