Answer:
the correct answer is option B.
The answer would be the third option. "They could be made using formulas, could show ideal beauty, or could be realistic."
Hope this helps! :)
I believe the correct
answer is letters and numbers.
Paul Klee was a Swiss
German avant-garde artist, which individual style was influenced by movements
in art that included Expressionism, Cubism, Abstraction and Surrealism. Klee is
known for frequently using letters and numbers, which he combined with playful
figures of animals or people.