Which of the following sentences from the section "Women Dominate The Fastest-Growing Sectors" BEST develops a central idea of the article? A At the same time, the unemployment rate has been hovering at just 3.5 percent, a 50-year low. B A tighter labor market has given workers more leverage to negotiate their own work schedules and salaries, often a top priority for working parents. C The first time the share of women in the workforce crossed over 50 percent was back in early 2010 in the aftermath of the Great Recession, which was a time of tremendous volatility in the labor market. D And women still dominate service sector jobs, which is 84 percent of nonfarm payroll jobs in the country.