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