For number 15 at the passage:
Choice A is the best answer because it creates a comparison between like terms: “works” by Kingman and “paintings by Chinese landscape artists.”
Choice B is not the best answer because it creates a comparison between unlike terms: “works” by Kingman and “Chinese landscape artists.”
Choice C is not the best answer because it creates a comparison between unlike terms: “works” by Kingman and “painters of Chinese landscapes.”
Choice D is not the best answer because it creates a comparison between unlike terms: “works” by Kingman and “artists.”