What did Dr. Sasaki find about the participants in her experiment? （ ）
A、Theytendedtoenjoycertaintonesmorethanothers.
B、Theytendedtoperceiveirregularbeepsasathreat.
C、Theyfeltsleepywhenexposedtoregularbeeps.
D、Theydifferedintheirtoleranceofirregulartones.
发布时间：2025-07-13 05:18:39
