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". 

[EX Q]: [header] How to sideload a modern ui app on windows 8 [title] Download the app's package the developer provided for sideloading. [title] Open the file. [step] It should contain : [substeps] A powershell script the application's. Appx package a security certificate app files, resources and dependencies. <sep> (A) A detailed description of the project/development progress to see which app stands out. [title] Make sure you download the right app. (B) [title] Extract the installation folder from the application. [step] It is up to the developer regarding what file to extract. (C) [title] Right click the powershell script and click' run with powershell' in the menu that appears. [title] Click the' open' button in the security warning that appears. (D) [title] Open the installation tab [title] Connect the installer. [step] You are ready to start the javascript application by plugging the 107 usb cable into your socket.
[EX A]: C

[EX Q]: A black screen appears and the yellow words appear on them read "extreme how-to presents". The second black screen has yellow words that read "installing heated floor tile". a man <sep> (A) is now standing and talking in the corner of a residential home, dressed in a long sleeved button up black shirt, brown long pants, shoes and wearing a hat. (B) is installing the hardwood floors. (C) starts sweeping the floor in a position and putting gel between the tiles. (D) is shown attempting to installation tile in various rooms, including the top floor.
[EX A]: A

[EX Q]: A little boy is climbing up the stairs of a play gym, he stops once and points at a red tube opening but passes it. he <sep> (A) climbs to the top, grabs the tube and is pulled down the stairs. (B) gets to the red tube slide at the top and points to it and then slides down. (C) throws a rock up into the tube but it never goes far enough. (D) shows a door with several signs that say " access to your home ".
[EX A]:
B