Since its a sibling, and siblings tend to be in a person's close circle of people, informal speech is used.
The correct answer is C. Hope this helps, good luck!
Answer:
The incident of To Kill a Mockingbird was that Bob Ewell attacks Scout and Jem after Scout's Halloween pageant.
Explanation:
The Halloween pageant had ended and Scout forgot her shoes but when she and Jem turn back to walk towards the school's cafeteria, the lights turn off. She then turns back around to continue walking home when she and Jem hear someone else's footsteps. Bob Ewell then attacks Jem and Scout but are saved by Boo.