Answer:
He was running low on money and couldn't pay full price.
Explanation:
I am inclined to think that he was running low on funds and was unable to pay full price because there were records of him being previously financially supported for a duration of time, though it seems that he had not received any further support whilst being pursued by creditors for payment.
The answer that you are looking for is letter A.
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.