Which of the following statements does not indicate a feature of traditional Chinese architecture?（）

A.On the UNESCO World Heritage List, the Central Axis functions with main buildings in parallel with it to achieve symmetry of the Forbidden City.

B.Construction of the Forbidden City began in the early 15th century, but most of it was built between the 17th and 20th.

C.Chinese houses will still stand when their walls collapse.

D.Set into the ceiling at the centre of the hall is an intricate caisson decorated with a coiled dragon, inside the mouth of which is a large spherical pearl called Xuanyuan Mirror.

正确答案：B