Instructions: 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 edit videos on snapchat [title] Open snapchat. [step] It's the yellow icon with a white ghost. [title] Tap and hold the large circle icon to take a video. <sep> (A) [step] Tap and hold a video in this folder. [substeps] If prompted, enter your login email address and password. (B) [step] A pop-up window will appear. [title] Tap and hold the video that you want to edit. (C) [step] Videos can last up to 10 seconds. [title] Release your finger when your video is complete. (D) [step] The video will scroll straight and round to highlight and position a shot. You'll need to crop the shot after the first send.
Output:
C