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 dress up bobby pins [title] Get some bobby pins, and slide them over the top of a sheet of paper. [step] Thicker paper, such as cardstock or an index card would work best for this, but you can use plain printer paper too. If you plan on painting several bobby pins the same color, consider separating them into small groups based on the color you will be painting them. <sep> (A) [title] With one hand, paint a shade of white over one of the bobby pins. [step] This will hold the whites of the bobby pins for a couple of seconds, while leaving the shades of pink out the window. (B) [substeps] If you want to create a " color blocked " look, get some black bobby pins, and lay down strips of tape over them at various angles. [title] Paint the top of your bobby pins using a single stroke. (C) [substeps] You should also keep the pins in different weights. For example, you could set the numbers 1 to 8 on a sheet of white cardstock, while the number 10 to 12 on a sheet of plain printer paper. (D) [title] Wrap the bobby pins with tissue paper. [step] Turn one bobby pin up, so that the smaller end of the tissue paper sticks out near the top, and the thicker end sticks out to the left.
Answer:
B