Confucianism is the philosophical belief system that is based on the belief that leaders should be selected because they were wise and moral and it most impacted the government structure of the Qin dynasty.
This refers to the philosophical, social and political doctrine developed in China that was based on the teaching of Confucius and his principal followers such as Mencius.
The founder of the Confucius philosophy is known as Kong zi who was born in the state of Lu and mostly held minor posts in and around Lu but never became the main adviser to a ruler.
Therefore, the Option D is correct.
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