Why are the sacred groves of the ancient Greeks referred to as "imperfect parkscapes" in the passage? A. The Greeks protected their sacred groves from deforestation and erosion but allowed people to build houses on the grounds. B. The ancient Greeks often changed the environment of the groves by adding plants, building shrines, and capturing animals for sacrifice. C. The Greeks allowed only religious ceremonies in the groves. D. The ancient Greeks had strict size limits on how big a sacred area could be.