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 determine who has right of way [title] Come to a complete halt at a stop sign or red light. [step] At a stop sign, come to complete halt for about 2 seconds or until vehicles that arrived before you clear the intersection. If you're stopped at a red light, proceed when the light has turned green. <sep> (A) This will give you enough time to catch the light and clear the intersection. [substeps] Vehicles behind or behind you may not brake. (B) This blocks oncoming cars from passing you. [substeps] If in doubt, you can also tell if you're going too fast by looking ahead at the tires of that car. (C) If you are stopped before a red light signals for another vehicle, you're on your own. [substeps] This means every car crossed before you has passed, and every vehicle in the intersection has stopped before you. (D) If the intersection has a white stripe in your lane, stop before this line. [substeps] If you have a stop sign, but the street you're crossing does not have a stop sign, wait until all traffic has cleared before crossing the intersection.
[EX A]: D

[EX Q]: A small group of children are seen standing before a mat with an instructor helping. the girls <sep> (A) then begin throwing a rope to the back and covering the boys head with the rope. (B) then pole vault on the mat and swing during a routine. (C) do various gymnastics moves across the mats while an instructor assist them and another points to the side. (D) take turns running to the mat and pushing it down.
[EX A]: C

[EX Q]: He is then shown washing the windows of the very tall building. He uses a scrapper the scrape of a sticker from one of the windows. he <sep> (A) then wipes down the one that is covered with a coating of paint. (B) then uses a scraper to wipe off the ice from all the windows including the doors. (C) is shows dipping a washer in a bucket and washing the windows of the ground floor. (D) cuts the wrapping paper off to show the cherry still on the window.
[EX A]:
C