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 debian [title] Back up any important files on your computer. [step] Installing debian on your machine will clear your entire hard drive and reformat it, erasing all data in the process. Store your important information on a removable drive before beginning the installation. <sep> (A) [title] Navigate your web browser to the debian website. [step] Debian is distributed through www.debian. (B) [substeps] If you don't own one, ask a sales associate at your bank to store your files in your. Otherwise, you can install them on your own hard drive. (C) [title] If debian has dependency on your operating system in the previous step. [step] Some debian programs allow for debian to be connected to external storage like the usb connector, vertical port or the simplest root driver. (D) [substeps] Make sure to click the " save/install " button right on the back of the removable drive. [title] Locate and modify the " reason for installing debian " website.
A

A man wearing grey shorts kneels down on a carpeted floor and begins stretching. The man moves his right leg under his hip and in front of his left knee. the man <sep> (A) continues exercising his left leg. (B) is then sitting while he's exercising and putting a harness. (C) then begins looking comfortable about doing this and stretches. (D) begins to rock back and forth in a slow movement as he stretches.
D

The video begins with several shots of divers jumping from a large distance and into the pool. more people <sep> (A) jump from several different heights, diving deep while most sit still and watch. (B) are seen jumping and leads into a video still on a person jumping and text being shown. (C) are shown jumping into the pool as well as many stretching onto the beach and back to the surface and posing for the camera again. (D) speak to the camera while more clips are shown of divers performing stunts and tricks.

B