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 elevate your hand while sleeping [title] Sleep on your back or side. [step] In order to elevate your hand while you're sleeping, you'll need to sleep on your back or on the side opposite of the arm that needs elevation. This is the easiest resting position for elevating your hand. <sep> (A) [substeps] Lying on your side not only has been shown to help alleviate hand inflation, but it also improves circulation in and around the hand and wrist joints. It's also more efficient than sleeping on your side. (B) [substeps] You can use a pillow to support your arm when you start to feel like your hand's elevating off the ground. Place a rolled up towel over your head to help prevent air from pooling near your arm. (C) [substeps] Sleeping on your stomach won't allow you to elevate your hand as easily. It's much harder to prop it up from behind if you're lying flat on your stomach. (D) [substeps] Lie on your back with the pillow propping your head up at a 45 degree angle. Your dominant hand should support the bottom of your pillow.

A: C
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Q: [header] How to make a todo list on your iphone [title] Invoke siri. [step] Press and hold your iphone's home button until you hear two beeps indicating that you can ask siri a question. [title] Tell siri what to remind you about. <sep> (A) [step] At the phone's screen, you will be asked if there is anything you want to add to the list. Refer to siri before proceeding to any foods or herbs on the list to make sure " extras " are included. (B) [step] Siri will tell you to remind you what time to wake up so that you can think of what to make on your todo list. [substeps] To make todo lists, tap the sleep/wake button, then toggle " home " to " sleep. (C) [step] Siri should ask you the following questions. [substeps] What are your venturabos? Are there any themes you want reminded? What do you want to be remembered? [title] End your list. (D) [step] Speak into your microphone (at the bottom of your phone) naturally as you would with another person, and with clear articulation. Say " remind me to buy milk at 6 pm.

A: D
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Q: [header] How to screenshare (screencast) on google + hangouts [title] Open up the hangout you'd like to run the screencast in. [title] Hover over the picture in the center of the screen. [step] If you are the only person in the room at the time, you'll see a black screen; hover over the black screen instead. <sep> (A) [substeps] This will make the double screencast. [title] Choose your screencast location and the time it will take to run it. (B) [title] Use the tcp menu to select your desired screencast. [step] You can then scroll through the options, selecting the dialogue boxes, and dragging and releasing the phone. (C) [title] Look and click on the green computer icon. [step] It has an arrow shooting out of it from the left hand toolbar to the page. (D) [title] Draw a spacebar between the two sides of the screen. [step] You can do this either using your pen and place one thumbtack inside of the circle on the right side, or by drawing a curve across the middle of the screen.

A:
C
****