Which statement identifies the central idea of the text? a many college graduates lack valuable skills, job placement, and democratic engagement when they emerge from school. b a college education is worth the cost; graduates generally make more money and are less likely to be unemployed than high school graduates. c colleges have become more concerned with making money from the tuition that students pay than with students learn the skills that employers value. d a college education is less important than developing the skills that employers look for in workers: good written and verbal communication and problems solving skills.