Select the correct text in the passage. eric is writing a persuasive essay. which excerpt expresses the central idea of his argument? some people claim that allowing cell phones in schools will interfere with students' ability to learn; however, cell phones are academically beneficial. first, cell phones can students to study since the students can look up information needed for their project or subject matter. additionally, the use of technology in the classroom with cell phones can increase the students' motivation. moreover, if the students are more motivated, they will be more engaged in their studies and do better on their exams.