You will be given a definition of a task first, then some input of the task.
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".

[header] How to use bubble wrap [title] Use bubble wrap to protect delicate items, like glass or electronics. [step] Bubble wrap is ideal for padding glassware, ceramics, mirrors, and other fragile items while moving. Because bubble wrap comes in large sheets, it can be more effective for wrapping bigger items than styrofoam or newspaper. <sep> (A) [substeps] If it's not light enough for your bubble wrap, you can twist or simply press the ends of the bubble wrap together. [title] Place an ice pack on the spill. (B) [title] Wrap all delicate items before putting them in the box. [step] Place your item on a sheet of bubble wrap and cut out a piece long enough to cover the item in bubble wrap. (C) It also helps protect your items from dangerous particles. [substeps] Bubble wrap does not contain the same polymers that foam bath sheets, or these can solidify and shrink in water before use. (D) [substeps] Read a section on making bubble wrap from a variety of perspectives, so you have a comprehensive understanding of exactly what you're making. [title] Pack your bubble wrap in a cooler.
Output:
B