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
A 30 yr old female presents with history of itching under right breast. On examination annular ring lesion was present under the breast. The diagnosis is: 
Select and explain. 
A. Trichophyton rubrum, B. Candida albicans, C. Epidermophyton, D. Microsporum
A: Trichophyton rubrum
Answer: A: Trichophyton rubrum 
Explanation: A i.e. Trichophyton rubrum