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 divide and transplant peonies [title] Cut the stems of the peonies down to ground level in september. [title] Prepare your new planting area. [step] It is best to prepare the soil for the new plant before digging the peonies out of the ground. <sep> (A) Leave just an inch or two of gravel above the surface of the soil to allow for drainage. [title] Stake or stake the peonies into the soil. (B) Use stones or even a pitchfork to dig a hole around the plant and fill it with soil. If you wish to transplant taller plants (e.g. (C) Plant the newly-divided plants as quickly as possible so the roots do not have time to dry out. [substeps] Choose an area that receives full sun. (D) [title] Inspect your planting area for any peonies while they are in their new spot so that you are prepared. [step] Be sure to check for peony bumps, vines, and other signs of leaf growth.
Solution: C