The first is that they could be the nation's most powerful tools to improve the opportunities of less privileged Americans, giving them a shot at harnessing a fast-changing job market and building a more equitable, inclusive society for all of us. 
 This sentence suggests that
 a
 community colleges can improve the nation’s job market
 b
 society has the potential to be more equitable overall
 c
 community colleges will not succeed in providing opportunities for students
 d
 the nation’s job market will change too fast for Americans