A、She hasn’t heard from the professor in a week. B、The class has extra time to complete the assignment. C、She only just found ou

M: I can’t remember the due date for our final exam.
W: I think it is the last day of class, but class master Smith said not to wait until the last moment to prepare it.
Q: What did Smith suggest to the student?

M: I don’t know if I will be able to turn in my economics paper on time.
W: Haven’t you heard that the professor gave us a week’s extension on it?
Q: What does the woman mean?