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 store produce in a root cellar [title] Research each item's shelf life. [step] Expect different types of produce to last longer than others when stored in your root cellar. For example, take dried beans, which can last up to one year or even longer, versus broccoli, which only keep for a week or two. <sep> (A) Pick up a guidebook for root cellar storage that includes this information, or use online resources to find out how long your preferred produce will keep. [substeps] Learning this information beforehand will help you decide what to store and how much. (B) Any produce grown slightly outside of your storage medium needs to last longer. [substeps] The usda's available documentation is here: https: // www.usda. (C) [substeps] The additional storage space can maximize the flavor you'll be using for your dried produce. If you're storing canned produce, for example, it may spoil significantly more quickly than dry produce. (D) If you have potting soil available in your roots cellar, you should filter it out. If your soil is higher in nitrogen, try shortening its shelf life.

A