This topic is moderately difficult, and the story goes like this: He Lv, the king of Wu, defeated Chu State to become the overlord of the south, while Wu State has been at odds with the nearby Yue State. In 496 BC, Gou Jian, King of Yue, ascended the throne. The prince of Wu took advantage of the recent funeral in Yue State to send troops to crusade against Yue State. There is a big battle between Wuyue and China in pruning, so the answer is D.