In Breaking Dawn Edward tells Jacob the he can kill him if Bella dies seeing as he doesn't want to live without Bella.
At first Jacob agrees however later on, once they believe Bella to be dead, Jacob says he will not kill Edward as he wants him to suffer.
I believe the answer is A
Yes B is the right answer, to produce a catharsis you are changing the emotion of the readers to show empathy.
Its actually c "a detective" so on amd so on