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 zip a powerpoint file [title] Click finder. [step] Finder is a blue icon with a smiling face at the bottom of your screen. [title] Click on the search bar. <sep> (A) [step] This is at the bottom of finder. [substeps] If you don't see the search bar appear, you can select " search as view " from the drop-down menu. (B) [step] You will see three subfolders, and choose the one to zip the powerpoint file to. [title] Type " zip " into the search bar. (C) [step] It is located in the upper-right hand in finder. [title] Type in the name of the powerpoint file you want to zip. (D) [step] It's at the top of finder and you can find it to the left of finder. [title] Type in " powerpoint " and press enter.
Output:
C