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 handle a dog's nightmares [title] Decide whether to wake up your dog. [step] When your dog is having a nightmare, your first instinct may be to wake up your dog. However, this isn't always the best idea. <sep> (A) Waking up your dog would disrupt its sleep cycle, causing it to feel confused and possibly lash out at you. It's often better to let a dog continue sleeping through the nightmare. (B) If your dog's nightmares persist and you aren't willing to take the time to monitor your dog, it might be best to enlist the help of a veterinarian. There are several reasons for this : [substeps] When your dog is having a nightmare, your own judgment is impaired. (C) If your dog is claustrophobic or is fear fearful, you will want to be as calm as possible while your dog is having the nightmare. If the fear is mild to moderate, choosing an alternative position or location may not be a good idea. (D) While nightmares are real, traumatic experiences can also happen. [substeps] Nightmares also occur in dogs that have nightmares caused by trauma.
A

[header] How to whitewash trim [title] Set up your working area. [step] Cover the floor with a drop cloth to keep dust and whitewash off of it. Open screened windows and doors to provide ventilation. <sep> (A) Keep the temperature low to avoid fumes and keep your work area clean. Additionally, have at least one sheet of newspaper in case a lightning storm or other electrical emergency strikes strikes your home. (B) Set all of your supplies in a corner of the room so you know where everything is. [substeps] If you don't have a lot of experience painting, use painter's tape to tape off areas you don't want to get whitewash, like the walls. (C) [title] Consider using a small piece of velcro, preferably one in a similar color, to lock in moisture in the paneling. [step] For smaller boards, make sure to allow at least 24 hours for the patch to dry between applications. (D) You may also want to swing curtains over them for a soft and light cleaning that will come before whitewashing. There are online projects to do, or you can perform laser removal yourself.
B

[header] How to use metallics in your wedding decorations [title] Decide how bold a statement you want to make with metallics. [step] In most cases, metallics work best as small accents in your wedding decor. However, you can use larger splashes of metallics to make a bolder statement. <sep> (A) Choose a bolder statement color for your decorations. [substeps] Red, orange, purple, black, and plum are the most common metallic colors used in any wedding decor. (B) [substeps] For example, you might want to create a statement like a star, necklace, and flower in your wedding color scheme. You may want to try a solid color such as brown or ivory. (C) Keep in mind that your decor will have a more dramatic look, though, so a heavy dose of metallics is more suited for a formal or evening wedding. [substeps] If you want to go heavy with metallics in your decorations, it's best to pair them with a neutral color palette. (D) Go for more of a statement by drawing out bold combinations of colors that a person could use with metallics. [substeps] Bright, bold, and flashy colors like neon and bubblegum yellow are great accents.

C