question: Hint: Please answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: The movie critic liked to count the number of actors in each movie he saw. How many movies had at least 30 actors but fewer than 47 actors? (Unit: movies)
  Choices:
  (A) 5
  (B) 3
  (C) 2
  (D) 4