Final answer:
The correct answer is D) Promoting the novella's main theme, which is the danger of a society that suppresses individuality in favor of extreme conformity.
Step-by-step explanation:
The teachers deploring Equality 7-2521’s height in the novella creates a sense of the society's values and further develops the setting's relationship with the main themes of the book. The detail that society despises any form of individuality, even to the point of physical traits like height, is not just world-building but directly relates to the conflict and the underlying theme of the novel. This scenario indicates that the correct answer is D) Promoting the novella's main theme, which involves the dangers of a collectivist society that suppresses individual identity and promotes conformity.