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".
Q: [header] How to buy a couch [title] Get an idea of what type you want. [step] Couches and sofas come in many different styles. There are thousands of shapes, sizes, fabrics, materials, and prices. <sep> (A) Some couches and sofas come into demand faster than others. If you don't want to buy the whole couch, then don't purchase a couch full of them. (B) You should try one of the following to narrow your search : [substeps] Sofa-this is a perfect piece of furniture for a home. You can find examples of couch's around the world, and will be able to find a few where you live. (C) Playing around with different couch shapes can help you narrow down your options and get a better idea of what you're looking for. [substeps] You can purchase couches in many different colors, shapes, patterns, and styles. (D) It is a good idea to have a sense for what you want. Try thinking about the size and colors of the room before buying the couch.
A:
D