question: Q:A 34 year-old-male with a previous diagnosis of Grave’s disease presents for a check-up. Since his diagnosis 4 months ago, the patient’s symptoms have been relatively well-controlled with medications since starting them 3 weeks ago after an initial unsuccessful course of radioiodine ablation. The patient’s complete blood count reveals decreased absolute neutrophils at 450/mL and a slightly decreased hematocrit of 39%. Which of the following is the most likely cause of this patient’s abnormal laboratory results?? 
  {'A': 'Atenolol', 'B': 'Levothyroxine', 'C': 'Methimazole', 'D': 'Complication from radioiodine ablation', 'E': 'Perchlorate'},