2026年5月托福机经套卷(第3套) - Listen to an Academic Talk / 2 Q2

原题

录音 1

According to the speaker, how did John Cage change a piano's sound?

ABy changing the piano's tuning

BBy replacing the piano strings

CBy inserting objects between the piano strings

DBy adjusting the piano pedals

正确答案：C

老师暂未填写解题思路。