C. yuan ting fu Xi Shi
Answer b
Test analysis: This question examines students' understanding of the historical facts of Yanhuang. According to the third lesson of the legendary dawn of civilization in the seventh grade of junior middle school history of Beijing Normal University, the first subtitle, Yan Di and Huangdi, said: "It is said that Yan Di improved farm tools, taught people to cultivate, tasted herbs and invented medicine, and was the founder of primitive agriculture and medicine in China, so he was called Shennong." It can be seen that according to legend, Shennong created the ancestor of China's primitive agricultural civilization by planting grains, tasting herbs, making calendars and promoting trade, so he chose B. Option A: Suirenshi, also known as "Suirenshi", is the first one in Huang San. C option Xuanyuan is a descendant of the Yellow Emperor. The leader of Option V, an ancient mythical figure in China.
Test locations: Yan Di and Huangdi.