Traditional culture has what traditional culture in the transmission of generations retained the basic characteristics at the same time what it can be changed over time.

A conforms to the meaning of the question, the traditional culture in the generations retained the basic characteristics, at the same time, its specific connotation and can change according to the time.

B is wrong, all things are in motion and change, solid things do not exist;

C is wrong, traditional architecture in traditional culture is solid art;

D is wrong, there are many traditional culture disappeared.

Therefore, the question is A

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