D. Music has adapted to all of the technology that it is likely to
The varying color tones in Paul Klee's "Ancient Sound" were intended to be associated with music.
Paul Klee is an abstract artist whose works are influenced by cubism, surrealism and expressionism. Aside from being an artist, he is also a musician, a violinist. In fact, before painting, he would play violin as his warm-up. This is why the color tones in his artwork express the connection to music.
I believe it is (A.)woodblock because it was first in the year 200 and that was the first year that found printmaking.