单项选择题
A. It displays a different singing style. B. It has some distinguishing features. C. It adapts to audiences' different tastes. D. It brings out the best of the singers' voice.
A.It was for a seat in the front row. B.It could be used by two holders. C.It could be used repeatedly. D.It showed no seat number.
A. Soft rock. B. Slow music. C. Love songs. D. Country music.