Definition: 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". 
Input: [header] How to make hot glue sandals [title] Choose a work area. [step] It should be well ventilated. If that is not an option, an outside area with a plug may also suit your fancy. <sep> (A) [substeps] If you're making hot glue sandals in a darkroom, or under the curtains, ventilated can work just as well. [title] Brush the glue onto a wooden " t " shaped object. (B) Place your arms to your sides, in an open area that is free from drafts or wind. [substeps] If you're working in a hot environment, it can help to place a fan overhead to kill any standing air. (C) [title] Strip the webbing from the sole of the sandal. [step] Be sure to have a person under the stump of the sandal for support if needed. (D) The area should also be able to be cleaned easily. Once you find your workspace, get your materials ready.
Output:
D