C. It highlights the ways in which the animals are being silenced and controlled.
Explanation:
Based on the givenexcerpt,we can see that some animals, four young pigs to be precise wanted to show their displeasure, but they were silenced by the dogs.
This shows that the impactofthedogswere to silence and control the other animals.
The term or name for word clues in a text that appear different because they are bolded, highlighted, italicized or written in a different font is typographical, which refers to the work of setting and arranging types and of printing from them; it pertains to the character and appearance of printed material.