question: As shown in the figure, the length of chord AB is 10.0, and the angle of circumference angle ACB = 45.0, then the diameter of the circle AD is ()
  Choices:
  A:5√{2}
  B:10√{2}
  C:15√{2}
  D:20√{2}
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, the length of chord AB is 10.0, and the angle of circumference angle ACB = 45.0, then the diameter of the circle AD is ()
  Choices:
  A:5√{2}
  B:10√{2}
  C:15√{2}
  D:20√{2}
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, the length of chord AB is 10.0, and the angle of circumference angle ACB = 45.0, then the diameter of the circle AD is ()
  Choices:
  A:5√{2}
  B:10√{2}
  C:15√{2}
  D:20√{2}
question_for_eval: As shown in the figure, the length of chord AB is 10.0, and the angle of circumference angle ACB = 45.0, then the diameter of the circle AD is ()
  Choices:
  A:5√{2}
  B:10√{2}
  C:15√{2}
  D:20√{2}