The answer is A, The Confucian idea of Filial Piety.
In Confucian philosophy, filial piety (Chinese: 孝, xiào) is a virtue of respect for one's parents, elders, and ancestors.
In more general terms, filial piety means to be good to one's parents; to take care of one's parents; to engage in good conduct not just towards parents but also outside the home so as to bring a good name to one's parents and ancestors; to perform the duties of one's job well so as to obtain the material means to support parents as well as carry out sacrifices to the ancestors; not be rebellious.