question: As shown in the figure, and the straight line PS is perpendicular to the river. Choose an appropriate point T on the straight line a passing point S and perpendicular to PS. The intersection of PT and the straight line b passing point Q and perpendicular to PS is R. then the width of the river PQ is ()
  Choices:
  A:40m
  B:120m
  C:60m
  D:180m
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, and the straight line PS is perpendicular to the river. Choose an appropriate point T on the straight line a passing point S and perpendicular to PS. The intersection of PT and the straight line b passing point Q and perpendicular to PS is R. then the width of the river PQ is ()
  Choices:
  A:40m
  B:120m
  C:60m
  D:180m
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, and the straight line PS is perpendicular to the river. Choose an appropriate point T on the straight line a passing point S and perpendicular to PS. The intersection of PT and the straight line b passing point Q and perpendicular to PS is R. then the width of the river PQ is ()
  Choices:
  A:40m
  B:120m
  C:60m
  D:180m
question_for_eval: As shown in the figure, and the straight line PS is perpendicular to the river. Choose an appropriate point T on the straight line a passing point S and perpendicular to PS. The intersection of PT and the straight line b passing point Q and perpendicular to PS is R. then the width of the river PQ is ()
  Choices:
  A:40m
  B:120m
  C:60m
  D:180m