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 young man presents with asymptomatic macules and erythematous painless lesion over glans with generalised lymphadenopathy. Treatment of choice in this condition: 
Select and explain. 
A. Ceftriaxone, B. Benzathine penicillin, C. Acyclovir, D. Fluconazole
B: Benzathine penicillin
Answer: B: Benzathine penicillin 
Explanation: Ans. b. Benzathine penicillin