In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to get rid of migraines [title] Learn all you can about migraines. [step] Nobody knows exactly what causes migraines. A lot of research has gone into the exact cause of migraines, but with little success. <sep> (A) People who experience migraines regularly have been having regular consultations with doctors and they still don't know what is causing them. Anything you experience requires some much-needed research or hypnosis to rule out any medical issues or underlying conditions. (B) Migraines result from a lack of sensory focal points or groups. They occur in fewer than three brain groups. (C) Just finding out what causes them will give you some tips on dealing with them. [substeps] Most people develop migraines because they have no symptoms or aren't able to respond to stimuli. (D) It is generally agreed upon that the trigeminal nerve plays a role in migraine pain. The trigeminal nerve is a cranial nerve that facilitates a major pain pathway.
D

A person is seen playing the drums while others watch on the side. the men <sep> (A) laugh with one another as the man continues to play. (B) lower their cymbals while still playing. (C) play the drums on the stage while others watch on the side. (D) continue playing the drums on the beach and ends with a picture of the drum player.
A

[header] How to get an a without reading the book [title] If there is a movie adaptation of the book, watch it. [step] If there is more than one movie, watch as many versions as you can. Read the first and last chapter of the book, as well as the summary on the back or inside flap. <sep> (A) Do not change the story unless you have done so so in advance of the movie. If you haven't, next time. (B) Go over the story and do some research to see if there are any parts you can learn, or at least to study the material over and over. [title] If you are purchasing the novel without reading it yet, go to your local library and talk to a librarian to visit a store that carries library books. (C) [title] If the movie is over, read the original synopsis of the movie. [step] If the movie has been re-released, which it most likely has, read the full synopsis one or more times to make sure that you still understand and are reading the good stuff. (D) [title] If the book has a wikipedia page, read it. [title] Go to the sparknotes and/or cliffsnotes websites.

D