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". 
Example: [header] How to create a christmas tree forest [title] Consider the type of tree you want to plant. [step] There are a wide variety of christmas trees and include fir, pine, spruce, cypress, and cedar. These trees thrive in different climates and look different from one another. <sep> (A) It is important to research the tree before setting up your tree to try it out to make sure you can write the tree's growing season so that you can get the most supplies you need. If you're just interested in having a tree stand out, then make sure to check for the following : [substeps] Spruce trees. (B) [substeps] Trees green may be used in a mix of green and evergreen. Greens, such as pintos and olive oil, may be more delicate than these. (C) Where the trees grow together is up to you. [substeps] Spruce trees light up the night for hours in the morning and drown out the morning sunrise between afternoons. (D) Think about where your tree forest will be located and choose a tree that can thrive in that climate. [substeps] Balsam firs are a popular christmas tree species that grow in the northern united states and canada, in hardiness zones 3-5 or states like minnesota, north dakota, and montana.
Example solution: D
Example explanation: This is a good example. Only option D is about Christmas trees. So, it's the correct option.

Problem: [header] How to cure hiccups by holding your breath [title] Pour yourself a glass of water. [step] The water should be room temperature-not hot or cold. Make sure the glass is full and can hold 12 to 16 ounces of water. <sep> (A) You should also add an ice cube to keep it cold. [substeps] You can bottle the glass at home with a funnel (optional). (B) [title] Take a seat near a window or close a door. [step] Stand facing the wall, wearing your normal wear clothes. (C) You can also pour a tablespoon of corn syrup into it if you don't wish to use corn syrup. Just be sure the water is refrigerated and fresh. (D) [substeps] You can choose to drink something other than water. However, you'll be drinking a lot, so if you choose juice or milk, you may become very full.

Solution: D