The correct option is C. Going to college shows that Mr. J.P. is smart and that he works harder than Fanny’s brothers do.
In the excerpt, the narrator says that Mr. J.P. has proved to be superior at University which means that he has gone to college. Moreover, the narrator also states that he is a scholar and that Fanny's "idle" brothers would "ill bear a comparison" with him. The narrator implies that Fanny's brothers are lazy because of the word "idle" used to described them. Moreover, by saying "ill bear a comparison", the narrator implies that if you compare Fanny's brothers and Mr. J.P., Mr. J.P. would definitely have more positive traits and characteristics than Fanny's brothers.
The only one that makes any sense from the given is <span> C- going to college shows that mr. j.p. Is smart and that he works harder than Fanny’s brothers do </span>
You should turn it into an assertion because then with your essay or whatever you're using to back it up, you can affirm that your thesis statement is true/correct or w/e