You will be given a definition of a task first, then some input of the task.
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".

[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