You are answering a USMLE-style medical question. Question: A 4-year-old boy presents to the pediatrician’s office. His mother complains that he has been sleeping poorly, and she has noticed that he often scratches his perianal area. A scotch tape test is found to be positive and mebendazole is prescribed. Into which of the following subsets have the naïve T cells (TH0) developed due to the infection in this patient? Options: A) TH1 cells B) TH2 cells C) TH17 D) T0 cells Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.