赞题库-背景图
单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17 -20. The drop-out rate of college students seems to go up because ______.

A. young people are disappointed with the conventional way of teaching at college
B. many young people are required to join the army
C. young people have little motivation in pursuing a higher education
D. young people don’t like the intense competition for admission to graduate school