Q: 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 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:
A