A. Thank you for the lesson in art appreciationB. It leaves me coolC. I can tell the difference between an etching and a lithographA: How can I appreciate modern art?【D4】______ .B: It would help if you followed the four steps of looking at modern art.A: What should I do then?B: Step one is to identify the medium used in the work. Is it a drawing, a painting, an etching or a lithograph?A: I think I can do that.【D5】______.B: Step two is to take an inventory of exactly what you see, the lines, the colors, the shapes and textures. A: Well, I suppose I can do that, too. B: Step three is to think about the interpretation of the piece of art and what the lines, colors, shapes and textures might mean. After analyzing the work from a number of perspectives, you can make a judgment in step four. A:【D6】______ .