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".

[Q]: [header] How to become an endocrinologist [title] Obtain a bachelor's degree in a science-related major. [step] Though you could choose any major you want, it's best to study something like physiology, biology, or social science. These majors will help you build the prerequisite skills for medical school. <sep> (A) [substeps] If you are enjoying high school, they might teach you basic tests or techniques, like how to fight ethylene gas. Foreign nationals don't get their master's degree until they finish medical school. (B) [substeps] These degree levels will take some effort on your part, so keep an eye out for whatever college you want to attend. It's not always necessary to go to medical school if you're currently planning on med school. (C) [substeps] Enroll in or look for a program at an accredited medical school. Most states require endocrinology courses at high schools and universities. (D) In addition to studying science, you should also take courses in math, english, and the humanities. These courses can help prepare you for interacting with patients and writing reports.
[A]: D

[Q]: Various shots of a tattoo shop are shown followed by a woman sitting in a chair and a man getting items ready. she <sep> (A) takes a sip of water and the man then pierces her lip with a needle. (B) then goes out to the back and is seen tattooing and sliding around a man's headrest. (C) continues tattooing her arm and ends with credits shown on the screen. (D) has several tattoos and the man ffing her arm with a tool.
[A]: A

[Q]: [header] How to oxidize a gummy bear [title] Wear eye protection (goggles or lab glasses), a lab coat, nitrile gloves, and a face mask. [title] Wear pants that cover the entire leg. [substeps] Shorts or skirts are not acceptable. <sep> (A) Understand that if you intend to cook your bear, you must wear either pants, skirts or leggings in preparation. [title] Cook on high heat for 20 minutes and add one tablespoon of soy sauce. (B) Avoid denim, since it can dull the coloring if you use this very often. [title] Put a shoe or step onto the inside of the can, this will open up more vapor. (C) A pinwheel enthusiast does not wear any shorts. [title] Cover the hands with plastic clamps. (D) [title] Wear only closed toed shoes that cover the entire foot. [substeps] Sandals or open-toed shoes are not acceptable.
[A]:
D