Hostility and ill-treatment,especially because of race or political or religious beliefs; oppression
B. It shows it in the present tense and are shows a general group, not a specific individual.
An antonym would be "Crucial"
The best answer for this question would be:
A. A police officer stopped him for speeding.
This article was written about the events that happened during and after 9/11, it explained how everyday seemed ordinary for mostly everyone, yet it questions the concept of hating each other and reflects our social relations.