Another groin rash

A man in his early 30’s, with no PMH, presents to the office complaining of pruritic rash in his groin for the past few weeks. He acknowledges that he “sweats like a pig”. Exam shows sharply marginated, slightly raised erythematous rash with minimal scaling in the inguinal region. Based on the clinical presentation, which of the following is the most likely diagnosis?

A. Erythrasma
B. Dermatophytosis
C. Cutaneous Candidiasis
D. Inverse psoriasis
E. Pityriasis versicolor