Answer:
B) Twentieth-century music follows the same general principles of musical structure as earlier periods.
Step-by-step explanation:
When you look at the 20th century and all the aspects it broke, in art as a whole, you know this statement is not true. In the music world, this is one of the most experimentalist and diverse period in History, which allowed the artists to create their structures to surpass the romantic style of the 19th century. Music in the twentieth century is a long history of trial and experiment that has led to a series of fascinating new trends, techniques, and in some cases also the creation of new sounds.