How did the Dao De Jing affect Chinese thought?

A. It was a collection of the sayings of Confucius, which influenced the social structure of China.

B. It was the first collection of written rules and laws to govern the Chinese people.

C. It was a philosophical text by Laozi to help people live in balance and simplicity.

D. It was a book by Shi Huangdi that explained the concepts of Legalism.