You are answering a USMLE-style medical question. Question: A 25-year-old man presents to his primary care provider complaining of several weeks of intense itching, particularly localized around his anus. Of note, the patient denies any recent travel, sexual contacts, fever, dysuria, or diarrhea. His temperature is 98.1°F (36.7°C), blood pressure is 110/70 mmHg, pulse is 65/min, and respirations are 12/min. On exam, the patient demonstrates severe excoriations in his perianal region with slight erythema over the areas that are torn. He does not have any other dermatologic findings. The scotch tape test is positive. The patient has a previous documented allergy to albendazole. Which of the following is an alternative medication that can be used? Options: A) Amphotericin B B) Ivermectin C) Praziquantel D) Pyrantel pamoate Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.