Questions 16 to 18 are based on the passage you have just heard. 16. A. They don't have much choice of jobs. B. They are likely to get much higher pay. C. They don't have to go through job interviews. D. They will automatically be given hiring priority. 17. A. Ask their professors for help. B. Look at school bulletin boards. C. Visit the school careers service. D. Go through campus newspapers. 18. A. Helping students find the books and journals they need. B. Supervising study spaces to ensure a quiet atmosphere. C. Helping students arrange appointments with librarians. D. Providing students with information about the library.