问题详情

According to the passage, why would the original composers of folk songs be forgotten？
A．Audiences prefer songs composed by professional musicians.
B．Singers dislike the decorative touches in folk song tunes.
C．Numerous variations of folk songs come to exist at the same time.
D．Folk songs are not considered an important form. of music.请帮忙给出正确答案和分析，谢谢！