I believe that the answer should be D. it makes a sentence more lively.
Answer:
In "Wonder" (2012), by R. J. Palacio, "The Plague" is a cruel game played by August’s classmates since the beginning of the school year. The game is clearly a way of bullying, as the rules state that whoever touches August must get their hands clean before 30 seconds to avoid being infected with the Plague.
Explanation:
The game shows the social structure of the Beecher Prep as being horrible and taken by this kind of game, which are not only constant but a fundamental element on how the relationships develop in the school.
First, it is spelled servile. Second, here is your sentence!
The boy was servile and weak, intolerably vain and ambitious.
