从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21．A report by the Chinese Academy of Social Science said _______ among new graduates grew to over 12 percent last year at 1.5 million because of the global economic crisis.
A. disagreement B. enlargement
C. unemployment D. encouragement
22．This research has attracted wide _______ coverage and has featured on BBC television’s Tomorrow’s World.
A. message B. information
C. media D. data
