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".
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Question: [header] How to calculate a light year [title] Define the light year. [step] A light year is a measure of distance equal to how far light travels in one earth year. Because distances across the universe are so large, astronomers use light years. <sep> (A) However, they can also be determined by dividing by a distance. [substeps] Some light years are used year-round. (B) For light year 2014, the main determiner is the sun. In the light year, the world is filled with light bulbs. (C) Without light years, discussing the distance between two stars would require the use of large, unruly numbers. [substeps] Another measure of distance you may come across when learning astronomy is the parsec. (D) [substeps] There are two kinds of light years: day and night. The two types of light years are known as night and day.

Answer: C

Question: Two women are seen holding a pose in the middle of a gym. They begin performing a routine using batons and others watching on the side. the girls <sep> (A) continue moving all around the gym and end with one stopping and walking away. (B) continue to dance, moving their arms in several different movements. (C) continue dancing together with the batons and end by holding a pose. (D) continue going back and fourth and end by looking down and shaking their hips with the girls.

Answer: C

Question: [header] How to apply body makeup [title] Purchase body makeup in your preferred shade. [step] Also purchase one shade lighter, and one shade darker. Get loose powder, translucent or shimmery. <sep> (A) [title] Apply highlighter along your hairline and then your chin, temples, nose and jawline, like you are trying to disguise pimples or blemishes. [title] Apply liquid mascara to your upper lashes. (B) [title] Apply foundation on either cheek as a medium shade or as a shade more smokey. [step] Smudge the tinted powder into your skin blemishes, but always use it sparingly. (C) [title] Carefully apply concealer, making sure to blend well all over and let dry. [title] Blot a small amount of moisturizer on the spot you highlighted. (D) [title] Exfoliate, moisturize, and let set till dry. [title] Apply the body makeup in your shade.

Answer:
D