单项选择题

Questions 14 to 17 are based on the following passage. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the passage.

Which of the following is NOT true

A.Teaching assistants are students themselves.
B.Every T.A. needs to pass the English test.
C.USC boasts a large number of overseas students.
D.In USC, specialized programs are provided for T.A. s.