Why does the professor describe the clouds of Robert Delaunay's painting the Eiffel Tower? A. To point out an image in the painting that symbolizes a dramatic break from traditional painting styles B. To give an example of a type of image that is seldom found in Cubist paintings C. To explain that Delaunay incorporated Beaux Arts images into his paintings D. To give an example of an image that appeared many times in Delaunay's paintings of the Eiffel Tower