59. Which of the following statements about the structure is incorrect？
(A)The arch structure is well stressed, the disadvantage is that it takes up space.
(B)The truss structure uses simple materials to withstand weight, and is often used tobuild bridges.
(C)The cable structure is cheap and beautiful, and it is often used as the main structureof the building.
(D)The beam-column structure is very stable for building houses, but it takes up spaceand consumes materials.