Given the task definition, example input & output, solve the new input case.
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.
Output: D
This is a good example. Only option D is about Christmas trees. So, it's the correct option.

New input case for you: [header] How to maintain computer peripherals [title] Update the device firmware every 6 months. [step] The term firmware refers to the software program used by the device's components to communicate with the network and perform the various tasks required to accomplish its primary function. Manufacturers are continually offering firmware updates for computer peripherals that can significantly enhance the performance of any peripheral device. <sep> (A) [substeps] Navigate to the manufacturer's website and determine the location of the firmware downloads page. This page typically can be accessed from the " downloads " or " customer support " links located on the manufacturer's home page. (B) [title] Update your network to the point that your entire network has been updated. [step] This changes the flow of traffic on your network to clarity the drivers regarding other computers or to improve performance on your computer. (C) [title] Install a freshly installed php operating system. [step] You will hear it often when a used version of your computer exceeds an operating system's php screen limit. (D) Check this link below to learn about updating your device firmware every 6 months :. [title] Make sure your computer firmered correctly before and during boot time.
Output:
A