What legalist actions would the Qin Dynasty take against a person who wrote a book with their own opinions, about how they did not agree with the government?

The correct answer to this open question is the following.

Although there are no options attached, we can say the following.

The actions that the Qin Dynasty would take against a person who wrote a book with their own opinions, about how they did not agree with the government were lethal.

Yes, during the Qin Dynasty in China, there was no freedom of speech or freedom of the press, or something similar. Quite the opposite.

Emperors during the Qin Dynasty were dictators and ruled an absolutists form of government. That is why they were the Emperors.

If someone expressed a critic or opposition against teh Emperor, he could be killed immediately. As simple as that. The Emperor was the absolute ruler and his word was the law.