Answer:
Carlos needs to work on his research skills.
Explanation:
Carlos's teacher hoped that he would do a research paper, where he would discuss the opinions of the nominated book and show the opinion of other authors who were influential in bringing Carlos to a concrete and objective conclusion on the proposed theme. Carlos's teacher hoped that through this activity, Carlos would do research that would sharpen his critical thinking and train him to make arguments, but Carlos did not do so and merely regurgitated material from the book and delivered a one-dimensional, weak, and in-depth essay. Carlos will only be able to deliver an essay the way his teacher wants, if he improves his research skills.