question: Hint: Please answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: As shown in the figure, the straight line a ∥ b, the point B is on the straight line b, and AB ⊥ BC, ∠2 = 65.0, then the degree of ∠1 is ()
  Choices:
  (A) 65°
  (B) 25°
  (C) 35°
  (D) 45°