What's the proper sequence(order) of Confucius idea of restoring social and political order into early Zhou Dynasty?
选项：

A:cultivation of filial piety-->achiving moral harmony-->development of universal love-->realization of social and political order;
B:achiving moral harmony-->cultivation of filial piety-->development of universal love-->realization of social and political order;
C:cultivation of filial piety-->development of universal love-->achiving moral harmony-->realization of social and political order;
D:development of universal love-->cultivation of filial piety-->achiving moral harmony-->realization of social and political order