Which one of the following is likely to cause resolution of the oral hairy leukoplakia lesions in a 41-year-old cisgender man diagnosed with HIV? A) 14-day course of oral valganciclovir. B) Topical fluocinonide 0.05% ointment rubbed into the affected area twice daily for 10 days. C) 10-day course of oral valacyclovir. D) Antiretroviral therapy.