In 68 BC1year, Shang yang's two reforms were in 365 BC and 350 BC, and in 22 BC1year, Qin unified the world. So option a is sorted correctly. The correct order of option B is: the rule of cultural scenes-Sima Qian revised historical records-Wang Mang usurped the Han Dynasty; The correct order of option C is: the change of Xuanwu Gate-Anshi Rebellion-Huang Chao Uprising; The correct order of option D is: relieving the military power with a glass of wine-Wang Anshi's political reform-Yue Fei's resistance to gold. So, the answer to this question is a.