问题详情

By referring to Schubert and Brahms, the author suggests that______
A．the works produced in the 18 th century can be all considered as trash.
B．the achievements of the two artists overshadow that of Verdi.
C．popular music could be applied to compositions intended as high art
D．the term of popular music is susceptible to many definitions.此题为多项选择题。请帮忙给出正确答案和分析，谢谢！