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: Skin
Pitryiasis versicolor is caused by: 
Select and explain. 
A. Candida, B. Rhinosdporodium, C. Malsezzia, D. Tinea
C: Malsezzia
Answer: C: Malsezzia 
Explanation: Malsezzia