Choose the number of the sentence that expresses the main idea in each selection. Then click on "GO." Question7. (1) The health-care field is now a stable middle-class career path for a number of Americans, especially women. (2) "We used to think about the men going out with their lunch bucket to their factory, and those were good jobs," said Jane Waldfogel, a professor at Columbia University who studies work and family issues. (3) "What's the corresponding job today? (4) It's in the health-care sector." (5) In 1980, 1.4 million jobs in health care paid a middle-class wage; today, the figure is 4.5 million. (6) The pay of registered nursesnow the third-largest middle-income occupation and one that continues to be overwhelmingly femalehas risen strongly. (7) The median salary of $61,000 a year in 2012 was 55 percent greater, adjusted for inflation, than it was three decades earlier. (8) Back then, more than a quarter of middle-income jobs were in manufacturing, a sector long dominated by men. (9) Now, as of 2015, it is just 13 percent. (10) Tabitha Waugh is one success story; the daughter of a teacher's aide and a gas station manager, she now works as a registered nurse for $27 an hour