PLZZZZZZZZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
How did the people of ancient China adapt to the land?

A. Port cities were built with special materials to survive typhoons.
b. Flood controls like dams and canals were created to manage the rivers.
C. Land in river valleys was managed by the government to prevent excessive farming.
D. Ancient Chinese civilizations cut roads along the mountains to make them passable.