Test and analysis: ancient humans, Yuanmou people lived in Yunnan, so they chose C. Banpo people lived in Xi' an, Shaanxi, Beijingers lived in Zhoukoudian, Fangshan, Beijing, and Hemudu people lived in Yuyao, Zhejiang.
Comments: As for the historical facts of Yuanmou, students should also know that Yuanmou was the earliest human being in China at present, about 1.7 million years ago, so it was named after its discovery in Yuanmou, Yunnan.