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: Social & Preventive Medicine
A patient with leprosy had slightly erythematous, anesthetic plaques on the trunk and upper limbs. He was treated with paucibacillary multidrug therapy (PB -MDT) for 6 months. At the end of 6 months, he had persistent erythema and induration in the plaque. The next step of action recommended by the World Health Organization (WHO) in such a patient is - 
Select and explain. 
A. Stop antileprosy treatment, B. Continue PB-MDT till erythema subsides, C. Biopsy the lesion to document acitivity, D. Continue dapsoen alone for another 6 months
A: Stop antileprosy treatment
Answer: A: Stop antileprosy treatment 
Explanation: None