This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
Griseofulvin is not useful in one of the following:(1990) 
Select and explain. 
A. T.capitis, B. T.cruris, C. T.versicolor, D. T.pedis
C: T.versicolor
Answer: C: T.versicolor 
Explanation: cRef: KDT, 4th ed, p. 774