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Question 65·200 Super-Hard SAT Reading Questions·Expression of Ideas

While researching acoustics in historical architecture, a student has taken the following notes:

  • In 2017, acoustic engineer Mara Lian tested replicas of perforated bronze screens in an empty reconstruction of a twelfth-century assembly hall.
  • Lian detected no measurable change in speech clarity when the screens were present.
  • She interpreted this result as evidence that the screens were probably decorative rather than acoustic.
  • In 2024, Chidi Okafor tested the same screen design under both empty-hall conditions and conditions simulating an audience with sound-absorbing panels.
  • Like Lian, Okafor found that the screens had no effect in an empty hall.
  • With a simulated audience, however, the screens improved speech clarity near the rear of the hall by redirecting reflected sound.
  • Okafor argued that an acoustic function can depend on conditions created by a hall’s occupancy.

The student wants to explain how Okafor’s study qualifies Lian’s interpretation rather than simply contradicting Lian’s experimental result. Which choice most effectively uses relevant information from the notes to accomplish this goal?