Definition: 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".
Input: [header] How to install fedora 17 in virtualbox [title] Download [step] The iso of fedora. [title] Once you have downloaded fedora's iso image, open virtualbox. [step] If this is your first time using virtualbox, the left section should be blank. <sep> (A) Click on the new button in the top left corner. [title] In the name text-box, type fedora. (B) If it is not, follow these instructions :. [title] Install fedora 17 according to the requirements in the above menu. (C) [title] To start the iso image, click the' format' tab to access version settings. [title] Go to' full-host', and browse the various supported packages available to you using the' iso image-files' section. (D) [title] Locate a location on the taskbar where you would like to install fedora's iso image. [step] This might be your desktop screen, your kinect, your window, or whatever else might need attention.
Output:
A