【正确答案】Du Fu was a prominent Chinese poet of the Tang Dynasty. He is frequently called the greatest poet among the Chinese poets. His greatest ambition was to serve his country as a successful civil servant. His life, like the whole country, was devastated by the An Lushan Rebellion of 755 AD, and he spent his last 15 years in the constant unrest. His works exert great influence to Chinese and Japanese literary culture. Among his works, nearly fifteen hundred poems have been preserved over the ages. He has been called the "Poet Sage" by Chinese critics. He and his friend Li Bai are the two most prominent figures in the flourishing period of Chinese poetry in the Tang Dynasty.