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 control windows 8 startup programs [title] Open task manager. [step] To start enabling or disabling startup programs, open your task manager first. To open your task manager, simply move your cursor over the windows menu bar, right-click, and then choose task manager. <sep> (A) Or, if you have difficulty using the system shortcuts, right-click and select display prompt. [substeps] If you have difficulty using the system shortcuts, click option control center under system preferences on the right-hand panel. (B) [substeps] You can also simply press ctrl + alt + delete with your keyboard. Your task manager window will appear as soon as you click on task manager. (C) From the window menu, select " task manager. " click on " manage startup programs, " and then choose " show advanced startup menu options. (D) Click " next " to start a new window. After restarting your computer, you will be prompted to set your startup tab status and then click " allow.
Output:
B