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". 

As he continues to play, he grabs a black cloth and unfolds it over the drums to create a different sound. during the performance <sep> (A) , many photographers come on stage to film the guy until he finishes and the crowd gives him a standing ovation. (B) , the guitarist does his blower as he also plays his guitar. (C) , his face becomes agitated and there are spots of blood color visible. (D) he removes sealing tape from his drums and adds several other pieces to the same hole to finish the song.
A

[header] How to post to a facebook group on pc or mac [title] Go to https: // www.facebook.com in a web browser. [step] You can use any web browser, such as chrome or safari, to access facebook. If you're not already signed in, sign in now. <sep> (A) [title] Click on the downward-facing arrow in the top right corner of the screen. [step] It's at the top-right corner of the screen. (B) [title] Click your profile picture at the top-right corner of the page. [step] You will see your profile picture in the upper-right corner of the page. (C) [title] Click a group to open the group's menu. [step] Click the group on the right sidebar, or the group's upper menu of options. (D) [substeps] You must already be a member of a group to post to it on your computer. See join groups on facebook to learn how to join a group.
D

[header] How to use uber to get to work [title] Sign up for the scheduled rides feature. [step] Enter your email linked to your uber account and click " sign up ". If you are in an area where scheduled rides are available, the option will appear in the uber app interface. <sep> (A) [substeps] This feature is currently in early access and may not be available in all areas that uber currently services. You can get more specific detail on how setup and use uber here. (B) Enter your email address and password into the fields to confirm your account. [substeps] You can use the " get more rides " option to sign up for rides on mobile phones and tablets. (C) You will be able to purchase these in stores across north america, and some regions of the us. Uber charges at least $20 in this initial mode. (D) Once you enter the existing google account, you will be provided with a unique google account for that day. This will allow you to share your invention with the world.

A