11. Subtopic (Im a little unsure on this one)
12. Main Idea
13. Supporting detail
The correct option is C. It shows a positive effect of the solution.
The topic of the presentation is the impact of excessive homework on highschool. The word "excessive" implies that the amount of homework given at highschool has a negative effect on students. The solution would be to have "less homework" and she finds out a positive effect of such a solution. If students are given less homework, they will have time to do other enriching activities and spend time bonding with their loved ones.
<span>He felt confused because of all of the new sensations.
Hope this helps.
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The right to a living wage, The right to attend Integrated schools, And The right to be served in Hotels, Restaurants, and Train stations