A The Book of Songs was the earliest collection of poems in ancient China, with a total of 305 poems. B. During the Spring and Autumn Period and the Warring States Period, the feudal lords fought for hegemony frequently, and the literary form continued to develop. C. After the Qin Dynasty unified the six countries, the implementation of Legalism literature was mainly influenced by law and military ideology. The folk songs of the Han Dynasty were the earliest narrative poems in ancient Chinese literature, creating a precedent for narrative poetry. The correct answer was A.