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 refuel your mana [title] Go outside. [step] This will remove any technological distractions and connect you to the earth. If you cannot, that is fine as well, it will just be significantly harder to harness energy (patios and porches are fine). <sep> (A) You can use your battery, cell phone, or computer to go outside and try to refuel. [substeps] Put off your activity until the time in which you are stopped by steady traffic coming into your neighborhood. (B) [title] If possible, have some fresh air. [step] Any kind of water source will do. (C) [title] Figure out what you are going to do. [step] If you do not already know, also find out how much energy you will need to move (this will not be visible to your body in real time if you are not in physical space). (D) The time of the day when you feel the most magic will make for the best results. Alternatively, undergrounds places such as caves (or even for a lack of natural caves, deserted underground areas) feel better and more effective to some people.

Solution: D