instruction:
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". 
question:
[header] How to bend rebar [title] Understand the structural issues possible with manually-bent rebar and know how to avoid them. [step] When you bend metal, you naturally weaken it. When done correctly, however, you can minimize damage and still get the shape you need to complete the project. <sep> (A) [substeps] Badly bent rebar acts as a buffer for the metal particles of the laser beam. The piece of rebar you are bending dissolves when squeezed into contact. (B) This effect is part of the re-bend method. The process is a little different than rebending a rubber band, but the difference is that you bend it in half by simply opening up a v on each end. (C) Because of this, it's important for you to know how to modify the shape you want the rebar to be. If you have a badly bent rebar, you'll likely create grooves in the rebar that introduce excess material. (D) Keep the following in mind as you work : [substeps] Always note the grade and size of the bar you're bending, checking against the equipment you're using to ensure it works. Check with your project engineer to ensure your bends meet the minimal internal bend diameter.
answer:
D


question:
A person is seen playing the drums while others watch on the side. the men <sep> (A) laugh with one another as the man continues to play. (B) lower their cymbals while still playing. (C) play the drums on the stage while others watch on the side. (D) continue playing the drums on the beach and ends with a picture of the drum player.
answer:
A


question:
[header] How to search an ebscohost research database [title] Log into the ebscohost database you wish to use. [step] You might probably log in via a link from your library. [title] Make sure basic search is selected beneath the search box. <sep> (A) [step] The search box is found at the top center of the page. [substeps] Beneath the search box is a box of search options that takes up the rest of the page. (B) [title] Click " search as previously chosen, " in the " general search, " to search all of the options in that search. [title] Search for anything you no longer have access to with ios 8 or later. (C) [step] You can use simple search parameters, such as " original search " or " duplicate search " or " journal entry. " [title] Tap " search " beneath the search field. (D) [step] Don't move any keywords to the hunt box, or you may not find usable results. You are looking for top ratings on ebscohost, so be sure you're seeing off the first 210 results.
answer:

A