Read the excerpt from Immigrant Kids, and then answer the question. But the journey was not yet over. Before they could be admitted to the United States, immigrants had to pass through Ellis Island, which became the nation's chief immigrant processing center in 1892. There they would be questioned and examined. Those who could not pass all the exams would be detained; some would be sent back to Europe. And so their arrival in America was filled with great anxiety. Among the immigrants, Ellis Island was known as "Heartbreak Island." What best paraphrases the central idea of the excerpt?

How are the two arguments made in the passages different? a. the first passage claims that pets in class will children with health problems; the second passage says pets will make some health problems worse. b. the first passage claims that students’ nervousness will decrease around pets; the second says that students’ nervousness will increase around pets. c. the first passage claims that pets will make the teacher’s work easier by keeping students busy; the second passage says pets will make the teacher’s work harder. d. the first passage claims that pets in school will be good for kids’ mental health; the second passage says pets will be bad for kids’ mental health.