Comparing Seo-Jun's Diligence with His Mother's

Which detail demonstrates the central idea that Seo-Jun is less diligent than his mother was when she was young?

Seo-Jun enjoys spending time with his friends.

Seo-Jun helps out in the food truck.

Seo-Jun just gets by in school.

Seo-Jun likes to binge watch TV shows.

The idea that might demonstrate that Seo-Jun is less diligent than his mother when she was young is that he enjoys spending time with her friends. She would have done the same, because she liked being with friends, but her mother would not allow it.

The detail, which demonstrates the central idea that Seo-Jun is less diligent than his mother, when she was young is this: SEO-JUN ENJOYS SPENDING TIME WITH HIS FRIENDS. Friends are central to the life of Seo-Jun, he likes making friends and he loves spending time with them. This leaves him with less room to do effectively those tasks that are expected of him. When his mother was his age, she was a very diligent young woman, who did not spend time on frivolities, such as spending much time with friends.

Which activity does Seo-Jun enjoy the most that shows his lack of diligence compared to his mother?

Seo-Jun enjoys spending time with his friends the most, showing his lack of diligence compared to his mother who was more focused on responsibilities at his age.