question: As shown in the figure, then angle ACD = ()
  Choices:
  A:20°
  B:30°
  C:40°
  D:.70°A70°
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: As shown in the figure, then angle ACD = ()
  Choices:
  A:20°
  B:30°
  C:40°
  D:.70°A70°
query_cot: Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: As shown in the figure, then angle ACD = ()
  Choices:
  A:20°
  B:30°
  C:40°
  D:.70°A70°
question_for_eval: As shown in the figure, then angle ACD = ()
  Choices:
  A:20°
  B:30°
  C:40°
  D:.70°A70°