‍中国河流地域众多，情况复杂多变，古人因地制宜、就地取材、方能巧夺天工。​ A: China has a multiplicity of complicated rivers and landforms, and the ancients took local conditions into account and used local resources to ensure a perfect addition to Nature. B: China has a multiplicity of complicated rivers and landforms, and the ancients take effective measures according to local conditions and used local resources to ensure the superb craftsmanship excelling nature. C: / D: /

中国河流地域众多，情况复杂多变，古人因地制宜、就地取材、方能巧夺天工。 A: China has a multiplicity of complicated rivers and landforms, and the ancients took local conditions into account and used local resources to ensure a perfect addition to Nature. B: China has a multiplicity of complicated rivers and landforms, and the ancients take effective measures according to local conditions and used local resources to ensure the superb craftsmanship excelling nature. C: / D: /

Which could explain why ancients buildings in China and the West used different construction materials?( ). A: Philosophical reasons. B: Political reasons. C: Geographical reasons. D: Functional reasons.