question: Q:A 12-year-old boy presents to the emergency department with severe abdominal pain and nausea. He first began to have diffuse abdominal pain 15 hours prior to presentation. Since then, the pain has moved to the right lower quadrant. On physical exam he has tenderness to light palpation with rebound tenderness. Lifting his right leg causes severe right lower quadrant pain. Which of the following nerves roots was most likely responsible for the initial diffuse pain felt by this patient?? 
  {'A': 'C6', 'B': 'T4', 'C': 'T7', 'D': 'T10', 'E': 'L1'},