0|show" data-onresultcheck="*redo|*.na|hide@*correct|*.na|hide@*reset|*.na|hide"> A new study says students who attended for-profit private colleges in the United States to learn a trade saw their earnings drop. The report by the National Bureau of Economic Research said, on average, people who attended for-profit colleges made 1,500 more per year than they did before starting their studies, the report said. And, the report noted that about nine out of 10 students borrowed money to attend for-profit colleges. The average debt for people attending two-year for-profit colleges was 920.
B、2,420.
D、$8,000. 答案 D