Teacher: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".
Teacher: Now, understand the problem? Solve this instance: [header] How to lower a varidesk [title] Find the handles on the underside of the desktop. [step] If you let your fingers drape over the left and right sides of most desktop models, you'll feel two handles attached to the underside. However, some larger desktop models, like the exec 40, have cut-outs on either side of the desktop surface. <sep> (A) You'll reach your fingers into these to find the handles. [title] Squeeze both handles up toward the desktop's underside. (B) Grab the smaller, thinner and more noticeable of the knobs as best you can. [substeps] Use your right hand to press down on these knobs. (C) [substeps] You can access the handles at the top of the desk. Look for pairs or compartments toward the bottom of the desktop. (D) [title] Don't use a wire prongs to cut a handle. [step] To minimize the possibility of accidentally injuring yourself, you should only use a wire rod or nail with a pronged end.
Student:
A