Your friend is struggling to study for their upcoming history exam. Which of the following is the *most helpful* advice you can give?
A) You should cram all the information the night before.
B) Why don't you try to study for short periods and take breaks in between?
C) It's better if you just skip studying and hope for the best.
D) You ought to only read your notes once.
E) Don't worry, everyone fails history exams.