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 put music on facebook [title] Navigate to the website that features the music you want shared. [step] Examples of such websites are youtube and soundcloud. [title] Click on the " share " button located next to the music selection you want shared. <sep> (A) [step] You will be redirected to a page explaining to you exactly what music you want shared, and the category where it can be shared. [title] Click on " share " located below " share " in the drop-down menu. (B) [step] If you have multiple fans or listeners, you may see a link in the sidebar that says, " add a facebook friend to your friends list ". Click it if you want to add a facebook friend in the list. (C) [title] Scroll down until you see the right size. [step] If you are looking for music that is already on facebook, such as songs from a specific artist and/or a series of popular music videos, you will see the appropriate size. (D) [title] Select the option for facebook when asked how you want to share your selection. [title] Enter your facebook login information at the prompt.

A: D
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Q: Bunch of people are getting ready for kayaking, then another man holding a selfie stick to record a video of himself and then his friend while they are in kayak. Thhe camera is underwater, eventually lifting it to record the vast sea and other kayak riders. several people <sep> (A) are just in their kayaks, paddling around. (B) are sitting on water ramps, running in the water. (C) put on their paddles and start in a kayak, paddling away, and others are in a line. (D) are also fame seeking the land to kayak along the sea and doing different kinds of amazing activities.

A: A
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Q: [header] How to treat mild altitude illness [title] Descend to a lower altitude. [step] If you start to experience any symptoms of mild altitude sickness, such as a headache, lightheadedness, or lung pain, you should descend by at least 500 m or 1 , 600 feet. This will give your body time to acclimatize to the altitude and relieve your symptoms. <sep> (A) [substeps] If you experience brief symptoms such as fatigue or chest aches, you should lower. If you experience movements that become more fluid while you are lower than normal, that form of exertion can aggravate the symptoms of higher altitude illness. (B) [substeps] Don't go too far down. Those below 200 m are at a higher risk for altitude sickness than those below 250 m or 1 , 800 feet. (C) [substeps] You should avoid attempting to go to higher altitudes for two to three days, or until your symptoms have disappeared. Severe altitude sickness can be fatal, so if you notice your symptoms getting worse, make sure you descend to a much lower height. (D) The more acclimatized you are, the greater the chance of moderate to severe altitude sickness. [title] Avoid flying over any giant ice and snow piles.

A:
C
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