A patient of paucibacillary tuberculoid leprosy completed 6 months of multidrug therapy.The response to therapy is good but the lesion is not healed completely.According to the WHO criteria,which of the following should be done?

• A. Stop the treatment and watch
• B. Continue the treatment for 6 more months
• C. Continue Dapsone for 2 months
• D. Test for drug resistance