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 grow popcorn [title] Buy some fertile popcorn seeds. [step] You can use plain popcorn from a bag, but you will want to do a fertility test first. Not all store-bought popcorn will be fertile because of the heating and sterilization processes popcorn goes through before being packaged and sold. <sep> (A) [substeps] The glow this is used to depict the raw kernel kernels will emerge with the film creation process. Process can take between 4 and 6 months. (B) You can also buy popcorn seeds from a seed company or from a farmer. [substeps] To test store-bought popcorn for fertility: sow 20 seeds, water, and wait. (C) So the best thing to do is to buy the seeds that come with prepackaged popcorn for the best results. [substeps] Check the price of your popcorn to see if the seller offers a warranty regarding the quality of your popcorn. (D) In this case, buy some seeds from a store like santo's store. They contain an enzyme which activates prolactin, which your popcorn will absorb.
B