As to building materials, _______ is the preferred construction material in ancient China and Western ancient buildings are mostly made of ________. （ ） A.stone; stone B.wood; wood C.stone; wood D.wood; stone

As to building materials, _______ is the preferred construction material in ancient China and Western ancient buildings are mostly made of ________. （ ） A.stone; stone B.wood; wood C.stone; wood D.wood; stone

正确答案：D