question: Hint: Please answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: A real estate agent drove around the neighborhood and counted the number of houses on each block. How many blocks have exactly 36 houses? (Unit: blocks)
  Choices:
  (A) 0
  (B) 1
  (C) 2
  (D) 3