C
Test question analysis: This question mainly tests students’ ability to accurately interpret material information. “Kaiyuan...Tianbao” in the material indicates that this person lived in the Tang Dynasty The era of Emperor Xuanzong of the Tang Dynasty turned from prosperity to decline, that is, the middle period of the Tang Dynasty. Therefore, based on historical facts, it is not difficult to find that Du Fu's life is consistent with this. The answer is C, A and B lived in the early Tang Dynasty, and item D lived in the late Tang Dynasty.
Comment: The creation of poetry in the Tang Dynasty plays a decisive role in the history of the development of Chinese literature. The reasons for its prosperity are: ① political clarity; ② economic recovery and rapid development; ③ cultural enlightenment Policy; ④ Promotion of the imperial examination system. Therefore, certain literary formation is a reflection of social, political and economic life.