Question: How far back can civilizations in the Yangtze region be dated?

Is Throughout its prehistory and early history, the region and its vicinity in the Yangtze region was the cradle of unique local civilizations which can be dated back to at least the 15th century BC and coinciding with the later years of the Shang and Zhou dynasties in North China. a good answer to this question?

Options are: A). yes B). no
A).