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".

Let me give you an 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.
The answer to this example can be: D
Here is why: This is a good example. Only option D is about Christmas trees. So, it's the correct option.

OK. solve this:
[header] How to make a natural disinfectant [title] Make a basic vinegar-based spray. [step] In a standard-sized glass spray bottle, add 1 part water , 1 part vinegar and 5-15 drops of 100% essential oil. You can use whichever essential oil whose scent you prefer, or customize the scent according to what room in your home you are cleaning. <sep> (A) [substeps] The amount of ingredients you use depends on how often you use the essential oil. Disinfect your spray bottles when you use it to keep the smell from returning. (B) [substeps] If you already own a master-made cleaning spray, you can use it if desired. If not, you will need to experiment with different fragrances to find what brand you like. (C) The best place to put this into your spray is near your refrigerator, though the direct sunlight from overhead can be much better. [substeps] You can use apple cider vinegar, lemon juice, or any fruit juice. (D) [substeps] Lemon essential oil is traditionally used to clean the kitchen, as the lemon scent can neutralize strong kitchen smells. Tea tree and eucalyptus oil are great for neutralizing bathroom odors.
Answer:
D