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]: A man is preparing to run and jump. he <sep> (A) runs very quickly down the track. (B) is doing a stunt, then dismounts to the ground. (C) releases the bar, and lands a few feet away. (D) is blindfolded and jumps full speed into the sand.
[EX A]: A

[EX Q]: [header] How to exercise to prevent blood clots [title] Get up and move around. [step] Whether you're traveling by train, plane, or automobile, long-distance travel involves a lot of sitting. When you sit, you decrease circulation in your legs-especially if you sit with your legs crossed or with one foot under you. <sep> (A) If you are on a train or coach, the seat underneath you always feels flat, as if you are sitting. While there are good ways to stretch out your legs, there is not a lot a group of people can do. (B) This will help promote blood circulation to your feet. It will also keep you from rubbing your legs in an annoying manner-you can't promote blood flow when you're sitting on one leg. (C) [substeps] You can exercise while you drive or driving, although getting up and down on the exercise train can significantly improve circulation. You can also listen to music while you exercise, which will also help to prevent blood clots. (D) [substeps] If you're on a plane, try to get an aisle seat so you can get up and move around more easily. Ideally, you want to get up and stretch your legs or walk up and down the aisle once every hour or so.
[EX A]: D

[EX Q]: [header] How to escape the friend zone [title] Decide whether it's worth it. [step] Attempting to transform your friendship into a dating relationship could have unintended repercussions. If things don't work out, the friendship might suffer or come to an end as a result. <sep> (A) Further, friendship status is influenced significantly by social media. Staying friends with the friend you loved can be difficult-especially if you don't know each other very well. (B) [substeps] From the statutory setting (rf) of the u.k. current year (rbd), it should be year 18. (C) To deal with this, you have to decide whether or not you want the friendship to last. Questions one and two : [substeps] Is it worth it to get hurt over someone that makes you feel miserable? If you think that your friendship is doomed, then you may want to relocate. (D) If you truly care about the person you've fallen for, think about whether you're willing to take that chance. It may be that you decide that you're better off as friends and adjust your expectations accordingly.
[EX A]:
D