She 'd broken his neck , but that was before she knew he was her brother . It made her wonder when her expiration date was . They 'd been created around the same time after all . Speeding up , Max decided a super - charged flight would help clear her head , and soon she was pushing her top speed .

Question: Why did she break his neck ?
Answer: Because he was her brother .None of the above choices .Because she wanted to kill him .Because she knew he was her brother .