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 create a romantically decorated room [title] Clean out all clutter, distractions, and signs of work or chores. [step] Before actively adding romantic decoration, you need to take away things that detract from the romance of the room. The best way to do this is to clean up the room and remove things that get in the way of romance. <sep> (A) [substeps] Get rid of old papers, magazines, shoes, or anything by knocking them over and throwing them in the trash. The same idea goes for candles, jam jars, or vases. (B) Keeping the space tidy and ready for romance is probably the best method, but it is not always possible. [substeps] Get rid of your desk or supplies. (C) Stand in the room and look around at what is present. Let your eye linger on things that seem overly business-like or seem to represent work and responsibility. (D) [substeps] Take down anything that gets on the floor, encourages the furniture to move around, or makes the room feel creepy. Remove everything that is on the floor that doesn't belong anymore.
C

[header] How to set up a caique parrot habitat [title] Choose a large cage. [step] Although the caique is a medium-sized bird, it needs a great deal of space. Select a cage that can accommodate this energetic parrot. <sep> (A) New cages tend to have more cages that are more hearty and safe, as these should not be bigger than 20 square feet (36 square meters) on all sides. If you're keeping a senior parrot, choose a caique that has built in cage work. (B) When it comes to caique cages, bigger is always better. [substeps] The smallest cage for a single caique should be 24 x 24 x 24 inches (60 x 60 x 60 cm). (C) The standard size for caique quarlings are 4 inches (10 cm) and five feet wide. Add a basking bulb, separate the block of wood with coarse wood shavings and place the bottom on a cooled to room temperature examination table. (D) For a more fluid experience, a small cage that you can comfortably surround your bird in will help to make the experience more comfortable. [substeps] A second enclosure can provide the environment your bird will be inhabiting without having to create a constant environment, changing its structure and its oxygen levels.
B

[header] How to get tested for hiv [title] Determine if you have hiv symptoms. [step] If you have flu-like symptoms that last for a week or 2, and you don't recall being exposed to the influenza virus, you may have hiv. If you suspect your symptoms are from hiv, see your doctor. <sep> (A) If you do not recall the symptoms because you were exposed to hiv, you should see your doctor. [substeps] You may also have some sort of autoimmune disease, such as a flare-up of the flu, that causes just a few symptoms throughout the body. (B) [title] Get the flu one week before symptoms first occur. [step] The best time to test for hiv is in june or august. (C) [substeps] Not everyone infected with hiv exhibits symptoms; some people infected with the virus may not exhibit symptoms for several years after exposure. [title] Examine your past behavior for anything that may have exposed you to hiv. (D) [substeps] When all other symptoms come and go, your doctor can refer you to an er. You must be at least 18 years old to be properly tested for hiv.
C