"The founders of legalism."Which sentence from the section shows why Confucian scholars disapproved of Li Si?

This question is missing the options. I've found the complete question online. It is the following:

Which sentence from the section shows why Confucian scholars disapproved of Li Si?

a. One of his most famous achievements was the construction of the Great Wall of China.

b. Legalism is all about achieving order, so these reforms fit with those beliefs.

c. They were especially upset when he banned history education and called for book burning.

d. Like Shang Yang, Li Si also fell out of favor after plotting to place someone else on the throne.

The reason why Confucian scholars disapproved of Li Si was:

c. They were especially upset when he banned history education and called for book burning.

Explanation:

This question refers to the text "Legalism, an Ancient Chinese Philosophy," by Bridgette Byrd O'Connor. According to the text, Li Si lived in the Qin state during a time in ancient China where rulers were trying to restore order and bring back glory to the Chinese people. Li Si was an adapt of legalism; he created rules and reorganized the state in order to create structure. However, the adepts of Confucianism were not happy about some of the measure Li Si took. One of the reasons why they disapproved of him was his banning history education and calling for book burning. Confucians also believed in order and structure, but not through such rigid ways.

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