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.
Answer:
A. The United States should not interfere with Russian relations in Chechnya.
B. The state should increase driver's registration fees to pay for the new highway overpass.
B. The success of chimps in mastering sign language, however, indicates that they have indeed learned a simple language.
Explanation:
For the first question, A is thesis for writing a persuasive essay. A persuasive essay must convince the audience to take some sort of action. Option A is the best choice because it is trying to convince the audience that interfering in Russian relations in Chechnya would not be a good idea.
The second question has a similar requirement. The thesis statement needs to be something that is actionable. Increasing the driver's registration fees is the only action that is suggested in any of the sentences.
The last answer asks about the thesis of the passage. A thesis cannot be cited text so the first option is incorrect. Option C is not specific and doesn't actually say the main idea. This is also true of option D, it only focuses on one group of scientists rather than the bigger picture.
I believe the answer is D
