question: Q:A 9-year-old boy is brought to the physician by his mother because of poor performance in school for the last year. He has difficulty sitting still at his desk, does not follow the teacher's instructions, and frequently blurts out answers in class. He often gets sent outside the classroom for failing to work quietly. At hockey practice, he does not wait his turn and has difficulty listening to his coach's instructions. His mother reports that he is easily distracted when she speaks with him and that he often forgets his books at home. Physical examination shows no abnormalities. Which of the following is the most appropriate pharmacotherapy?? 
  {'A': 'Atomoxetine', 'B': 'Suvorexant', 'C': 'Risperidone', 'D': 'Fluoxetine', 'E': 'Varenicline'},