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 create a simple checkbook register with microsoft excel [title] Get familiar with excel. [step] Excel is a spreadsheet software program that allows users to manage data and perform calculations with formulas. Excel spreadsheets are organized by rows and columns. <sep> (A) [title] Begin by searching for " excel formulas " or " spreadsheets " in the excel tab in excel 1 (excel 3.1) and heading to the formulas page. [step] Open the tools panel in the top right corner and click " options ". (B) Excel will ask you if your formula contains the following function: absolute = sum (sum simply means nothing in that cell) + a * (plus) ). [substeps] Starting with an extra row should take up one third of the column row and attaching to the left column would be math steps 2 and 4. (C) Excel spreadsheets take up a large chunk of the worksheet and it is mostly used for web-based projects or income projections. [substeps] If excel's concept exists for many years, but is often frowned upon by others, it is generally more difficult to make a simple checkbook register. (D) [substeps] You can install a desktop version of excel on your mac or pc. Or, you can use a free online app for your smartphone, tablet or computer.
Solution: D