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".

[Q]: [header] How to use memes on facebook [title] Log into your facebook account. [step] Go to facebook, and if you're not logged in yet, enter your registered email address, or username, and password in the top right fields. Click " log in " to continue. <sep> (A) [title] See all the memes in the top left section. [step] The memes you want to edit are listed below. (B) [title] Use the appropriate heading to search for memes. [step] In the upper-right corner of the page, you'll see a drop-down menu. (C) [title] Click the update status box at the top of the page. [step] There's an update status box at the top of your facebook news feed and timeline. (D) [substeps] If you haven't signed in yet, you'll need to give the sign in process a shot. Click the " sign in " button in the upper-right corner of the screen.
[A]: C

[Q]: The doctor uses a brush to scrub nails and hands. A doctor washes their hands in a large stainless steel sink with hand soap multiple times. the doctor <sep> (A) uses the brush to rub a suture needle into his palms. (B) uses a towel to clean on the sink. (C) uses a small brush to wipe several areas on the body of the sink and change water for the other areas. (D) completely rinses their hands then clasps together and walks out of the room without touching anything.
[A]: D

[Q]: [header] How to prevent cats from jumping on counters [title] Create your own environmental punishers. [step] Environmental punishers-also called " remote correction "-involve disciplining the cats without being present yourself, so the cats don't link the punishment to you. If you punish your cats for jumping on off-limits surfaces yourself, they will learn to keep off counters only when you're at home. <sep> (A) One of the biggest drawbacks of this discipline is that there's no need to threaten to do so, as cats are sensitive to threats. Call the police if you think your cats may jump on counters. (B) [substeps] Block off any way the cats can jump. For instance, you can use a cat flap to block off both getting and jumping off counters. (C) If you do want to punish the cats, cut off access to any windows, doors, and other places that don't require your attention. Give them scary scares when you're home. (D) You can create some devices for remote correction yourself, but never create a deterrent that might hurt your cat (s). [title] Place light baking sheets at the counter's edge.
[A]:
D