Official 29 Lec 2
Question 5 of 6
According to the professor, what purpose do wall decorations in older concert halls serve?

A.

They make sound in the hall reverberate longer

B.

They distribute the sound more evenly in the hall

C.

They make large halls look smaller and more intimate

D.

They disguise structural changes made to improve sound quality

正确答案:B

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