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: Unknown
20-year-old male Lalu develops multiple ulcers over prepuce and glans which are painful along with suppurative lymphadenopathy, 2 weeks after having sexual intercourse with a sex worker, most probable diseases is - 
Select and explain. 
A. Herpes simplex, B. Molluscum contagiousm, C. Syphilis, D. Chancroid
D: Chancroid
Answer: D: Chancroid 
Explanation: Ans-D.