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 save seeds [title] Know the different reasons to collect seeds. [step] There are many different reasons to collect and save seeds from saving on the cost to having backups if your favorite plants die. Knowing the advantages of seed collecting will help you decide if you want to start your own seed bank. <sep> (A) [substeps] The downside to collecting seeds is that you could lose money if you don't have the space to do it. Seed harvesting is one of the best ways to get the most out of your produce, as it gives you space to save on new produce. (B) [substeps] The united states government allows seeders to purchase 10 , 000 seeds for every 15 , 000 square feet. 2 , 250 are purchased in 2016 and 3000 in 2015. (C) [substeps] The cost of seeds has increased, while the number of seeds in pre-packaged envelopes has decreased. Collecting and storing seeds from your own garden ensures that you always have backups if any of your favorite plants die. (D) [substeps] One reason to collect seeds is because seeds are disposable and won't expire when you plant them. If you can only have one plant per season, a larger " seed bank " will help you save where you spent.
Output:
C