You were taken hostage, why pursue the Enemy's Empress?

You have traveled to a world of warring states and become a hostage in an enemy country. Please choose one of the following ways to escape: A: Study diligently and cultivate a noble character, become a Confucian sage. B: Cultivate your mind and understand the heavenly way, create Taoism. C: Devote yourself to scientific research, create a Xianwu Gundam, become a giant of the Mohist School. D: Marry the female emperor, take a shortcut in life. Ying Wuji said, "DDD! I choose D!" Many years later, Ying Wuji looked dumbfounded. It turns out that this was a multiple-choice question?