【单选题】听力原文: OK, so in our last class we were discussing big bands swing music. You remember this was a kind of dance music with a steady rhythm. (26) But today we deal with music played by smaller jazz band...
A.
Characteristics of big bands swing music.
B.
The development of bebop.
C.
The relationship between American music and economy.
D.
The differences between bebop music and swing music.