单项选择题

Questions 15-17 are based on the following talk. You now have 15 seconds to read the questions 15-17. For whom is the course intended

A.All second-year students Who failed first-year English.
B.All first-year, second-year, and third-year students.
C.Students who don’t know how to write a research paper.
D.Students who want extra credit in English.