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 basil indoors [title] Purchase basil seeds from a reliable source. [step] Visit your local nursery or garden store to pick out basil seeds you'd like to plant, or you can buy them online. You can often buy a packet containing over 100 seeds at a very low price. <sep> (A) [substeps] You can buy basil seeds at a local hardware store or garden store. Basil seed heads usually grow deep enough to cover the growing area, preventing bugs and weeds from producing up seeds. (B) [substeps] While cheaper options will provide more strawberries, and can sustain longer, they are often uncomfortable and don't provide much variety. These seeds are not good as they quickly rots away and do not provide a healthy plant for the basil, while still allowing the plant to grow. (C) [substeps] If you're buying the seeds online, do some research to find out which websites have the best seeds. [title] Use coarse, well-draining soil to plant the seeds in. (D) [substeps] Basil seeds are readily available to plant and grow, so you'll need to bring one with you as well as a small basket to catch up on supply. Basil seeds can also be mixed into salads or casseroles.
C