They’re all a theme in the novel, but the one that stands out the most would be A, sin.
Some synonyms for said are : Added, stated, recalled, spoken, repeated, called, and declared.
If I hadn’t studied, i wouldn’t have passed exam
If I’d have taken the taxi, I wouldn’t have missed the plane
If I hadn’t eaten so much, I wouldn’t have felt sick
I think that they try to portray their product as the best, coolest thing, and target a specific age group.