question: As shown in the figure, AO is the height of the cone, then the length of AO is ()
  Choices:
  A:2.4
  B:2.2
  C:1.8
  D:1.6
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, AO is the height of the cone, then the length of AO is ()
  Choices:
  A:2.4
  B:2.2
  C:1.8
  D:1.6
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, AO is the height of the cone, then the length of AO is ()
  Choices:
  A:2.4
  B:2.2
  C:1.8
  D:1.6
question_for_eval: As shown in the figure, AO is the height of the cone, then the length of AO is ()
  Choices:
  A:2.4
  B:2.2
  C:1.8
  D:1.6