635China‘s Three Gorges Dam__________. 查看材料A. is the 1449

China‘s Three Gorges Dam__________. 查看材料 A. is the first hydroelectric dam in the world B. is of the same size of the US"s Hoover Dam C. is the largest of all the hydroelectric dams in the world D.supplies around 20% of the world electricity 请帮忙给出正确答案和分析，谢谢！