In the sentence "Visitors approach the museum through a glass atrium, open an enormous door, enter a cave" (paragraph 6), the word "atrium" has the Chinese meaning of ______.

A．creation of new types of musical instruments.
B．participation of people in making music.
C．improvement of current computer technology.
D．convenience in making unique music.

A．the technology prevents composers from contacting their listeners.
B．no great music has yet been created through computer technology.
C．famous composers refuse to use the new technology to make music.
D．computer is not a terrific instrument for making musical works.