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]: A crowd is gathered around a black tiled area. a man in black <sep> (A) pants in front of the crowd runs a rope around a man's neck. (B) raws is talking to the camera. (C) shirt is on the middle of the circle. (D) does some breakdance moves.
[A]: D


[Q]: [header] How to prevent greasy hair [title] Shampoo properly. [step] Apply a small, quarter-sized amount of shampoo to your scalp and massage vigorously with your fingertips. Then, work the lather through your hair and rinse. <sep> (A) [title] Rub a dime-sized amount of baby oil in your palm. [step] Squirt a dime-sized amount of all-purpose baby oil into your palm and then use the back of a spoon to massage the lather into your hair. (B) Body wash will also work well to loosen the oil from your hair and prevent it from slacking off. Comb your fingers through your hair to ensure that all areas of your hair are clean. (C) [substeps] Whether you have wet or dry hair, lather the lather gently and never hold it in place for more than one second. [title] Consider bed-wetting your hair as often as you can. (D) Rinse hair thoroughly so no shampoo is left behind. Washing your hair should take about five minutes.
[A]: D


[Q]: [header] How to improve your math sat score [title] Download the sat practice app. [step] Go to the college board's website and head to the " daily practice " section. In that area, you will find a link to download an app that will help you prepare for the sat. <sep> (A) The app will send you practice questions each day. It will also let you scan paper practice tests directly into your phone. (B) Select " free practice " from the " start recording " menu. The app will track your transcripts in reverse to help get you out of your " cheat " section and back to working. (C) Under the heading " learning your math skills, " select " help me study for the sat. " from there, you can print out the app and write out your notes once you've installed it. (D) [substeps] The app is free, but can be expensive. It takes some time to install, so if you have trouble getting a perfect sat score, talk to a guidance counselor for help.
[A]:
A