question: As shown in the figure, OA = OB = OC, angle ABC = angle ADC = 65.0, then angle DAO + angle DCO = ()
  Choices:
  A:90°
  B:110°
  C:120°
  D:165°
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, OA = OB = OC, angle ABC = angle ADC = 65.0, then angle DAO + angle DCO = ()
  Choices:
  A:90°
  B:110°
  C:120°
  D:165°
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, OA = OB = OC, angle ABC = angle ADC = 65.0, then angle DAO + angle DCO = ()
  Choices:
  A:90°
  B:110°
  C:120°
  D:165°
question_for_eval: As shown in the figure, OA = OB = OC, angle ABC = angle ADC = 65.0, then angle DAO + angle DCO = ()
  Choices:
  A:90°
  B:110°
  C:120°
  D:165°