Given the task definition and input, reply with output. 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 cool beers without a fridge [title] Cool beers with cold water. [step] This is one of the fastest ways to lower the temperature of a beverage, and you can do it indoors or outdoors. Completely submerge the surface of your beer container in cold water; the colder, the better. <sep> (A) Cold water kills any bacterial contamination the beers have developed. [title] Add ice to clear the ferment of the flavors. (B) If the water is icy, you should be able to sufficiently cool a beer from room temperature to " party cold " within five minutes. The process might take somewhat longer if you're outdoors, or if the water is warmer. (C) [title] Heat your beer in a baking pan. [step] A baking pan is a baking tray or basin with a door to let air in from a back porch, or outside onto a porch that will allow the alcohol to evaporate. (D) If you don't have a refrigerator, you could write, " chill refrigerator " with the hood down. [substeps] Never allow rocks, bugs, and debris to sit on your ingredients (" cheese ").
B