question: A certain mathematics learning interest group measured the shadow length of Xiaoliang in the sun as 1.5. Knowing that Xiaoliang's height is 1.8. As shown in the figure, then the height of tree AB is ()
  Choices:
  A:10.8m
  B:9m
  C:7.5m
  D:0.3m
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: A certain mathematics learning interest group measured the shadow length of Xiaoliang in the sun as 1.5. Knowing that Xiaoliang's height is 1.8. As shown in the figure, then the height of tree AB is ()
  Choices:
  A:10.8m
  B:9m
  C:7.5m
  D:0.3m
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: A certain mathematics learning interest group measured the shadow length of Xiaoliang in the sun as 1.5. Knowing that Xiaoliang's height is 1.8. As shown in the figure, then the height of tree AB is ()
  Choices:
  A:10.8m
  B:9m
  C:7.5m
  D:0.3m
question_for_eval: A certain mathematics learning interest group measured the shadow length of Xiaoliang in the sun as 1.5. Knowing that Xiaoliang's height is 1.8. As shown in the figure, then the height of tree AB is ()
  Choices:
  A:10.8m
  B:9m
  C:7.5m
  D:0.3m