Logical problems, madness, anxiety about IQ. . Why not one? . Don't use dark green, but definitely use metal ash. If you use metal ash, use sky.
The first condition stipulates that orange and dark green must be used, and only one of them can be used, so dark green must be used, and option A cannot be established. Specifically, if you don't use dark green, you must use orange, but not sky blue. A is wrong; If you don't use orange, you must use dark green. A is wrong. I hope you are satisfied and give me the wealth value ~ I am waiting to download the e-book, thank you!