Is It Necessary to Include References to Case Law in the Exam

Is it necessary to include references to case law in the exam?

A) Yes. A good rule of thumb is to learn twenty cases for each topic and to make sure as many of these as possible are included in the answer.
B) No. Nobody expects you to remember masses of cases, so it is more sensible to concentrate on statute law.
C) Yes. It is important to remember the case name and citation, and the facts for the leading cases in each topic.
D) Yes. It is essential to make reference to cases that provide authority for important legal principles or demonstrate the application of the law.