question: Hint: Please answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: Layla went on a camping trip and logged the number of miles she hiked each day. What is the range of the numbers?'
  Choices:
  (A) 8
  (B) 8.9
  (C) 6
  (D) 4