This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of nail, Subject name: Dental
Nail infection is caused by the following except: 
Select and explain. 
A. Trichophyton, B. Epidermophyton, C. Microsporum, D. Candida
C: Microsporum
Answer: C: Microsporum 
Explanation: Superficial fungal infections affect the epidermis, mucosa, nails, and hair. Most of these superficial infections are caused by dermatophytes. Nondermatophytes, such as Candida and Pityrosporum, also produce skin infections. Trichophyton involves Skin Hair Nail Microsporum involves Skin Hair But never nail Epidermophyton involves Skin Rarely nails But never hair