GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 4I1TJU1WID775165J

The passage suggests that Sabine's work made which of the following possible for the first time? A. to make a room soundproof B. to build an auditorium out of sound-absorbing materials C. to construct an enclosed space in which sound would not echo D. to design a building to meet predetermined specifications with regard to echo duration E. to render any large room usable for public lectures and performances