Which of the following sentence choices represents the best Topic Sentence for the following Thesis Statement for an essay?

Thesis: "Working for pay while attending school is a good idea."


"According to the U.S. Department of Education, in 2007, 24.8% of 16- and 17-year-olds worked while attending school."


"This knowledge should cause you to think more carefully about what you choose to buy with your hard-earned cash."


"Research has suggested that working more than fifteen hours a week during the school year can negatively affect your grades."


"Although adding a job to your already busy life can be tricky, a job helps you learn how to manage time."