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 install windows 7 on the same hard drive as windows vista [title] Buy or download windows 7 [title] Within windows vista follow these commands. [step] Start, control panel, administrative tools, computer management, storage then disk management. [title] Its now time to partition your hard drive. <sep> (A) [step] You will be asked to label files with internet access no os 7. This is useful for a file that is not hard to manage. (B) [title] Run " the apple cloud driver club-linux " from first framework level. [step] When you first install the license, you can find the following pages. (C) [step] On the beginning of the installation window window, click start button (it is located just to the right of the " connect with us " banner) then click all programs, then click " run " to run. [title] You now have a windows 7 portable partition. (D) [step] To do so, right click on your current hard drive where vista is installed (for most people it should be the " c " drive). [title] Click on shrink volume from the drop down menu (shrink volume determines the maximum disk space that is allowed for partitioning) this may take a minute or 2.
Output:
D