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

A group of people walk by in the background. We see a game of poker being played. An odd man appears in front of the camera. we <sep> (A) then see an empty room. (B) see a shuffleboard game playing in slow motion before a reporter appears on the screen. (C) see the first man, then cards being dealt and we fade to a black screen. (D) see the loser and dealer.
C

[header] How to become a journeyman electrician (us ) [title] Familiarize yourself with possible lines of work. [step] Journeymen electricians install electrical systems in homes and businesses. They inspect and repair wiring, transformers and circuit breakers. <sep> (A) As a journeyman electrician, you could work as an outside lineman or an inside wireman. Once you have worked as a journeyman for a period, you can eventually become a master electrician. (B) The specific skills required will vary according to the job and the area. [substeps] Apprenticeship law permits journeyman electricians to complete eight years of apprenticeship courses. (C) Whatever the position you do as a journeyman electrician, as long as you understand the skills necessary to work in a home and hire an electrician to work under your supervision, you're considered a professional. This is where your skills and training developed as an apprentice come in handy. (D) How you would start as a journeyman electrician can greatly impact your career in the future. [substeps] Begin practicing as soon as possible, and work your way up on the ladder.

A