instruction:
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". 
question:
[header] How to involve a dog in pet therapy work [title] Consider your dog's temperament. [step] The main requirement for a therapy dog is that they must be incredibly calm, emotionally secure, and comfortable around all types of people. If your dog is nervous, shy, aggressive, or has any other qualities that cause him to behave in standoffish or threatening ways around people, then he would not be a good fit for therapy work. <sep> (A) Decide what you will be doing with your dog before giving it time to develop socialization skills. [substeps] Common characteristics of a therapy dog include a poor attitude, lowered behavior, and aggression. (B) A therapy dog needs to be calm and comfortable when : [substeps] He is approached by or surrounded by many people (children or adults). He is roughly touched or hugged by someone. (C) [substeps] This is especially true if he is a tense, unpredictable, and impolite dog. [title] If your dog is at a loss for words, help him learn some helpful skills. (D) [substeps] Dogs with a history of trauma and anxiety are less likely to engage in therapy. Anxiety, fear, or mistrust issues can cause a good experience for a therapist with a pet.
answer:
B


question:
Bunch of people are getting ready for kayaking, then another man holding a selfie stick to record a video of himself and then his friend while they are in kayak. Thhe camera is underwater, eventually lifting it to record the vast sea and other kayak riders. several people <sep> (A) are just in their kayaks, paddling around. (B) are sitting on water ramps, running in the water. (C) put on their paddles and start in a kayak, paddling away, and others are in a line. (D) are also fame seeking the land to kayak along the sea and doing different kinds of amazing activities.
answer:
A


question:
[header] How to spear like a wrestler [title] Prepare yourself to approach your opponent. [step] Stand about four or five running paces away from your opponent. Make sure you and your opponent are directly facing one another. <sep> (A) Stay close together as you get closer, and make sure each of you make eye contact. Throw your dominant leg, leading with your non-dominant foot. (B) [substeps] The momentum created by the know-how between us will carry us together as you spear each other. This is the position of the likely opponent to lunge up to and grab your or her off the ground. (C) Hunch over slightly and bend your knees to get into an athletic stance. Spread your arms out slightly out and forward from your body so you're ready to grab them. (D) Move slowly towards them at a consistent pace. [title] Position your arms in front of your body to open up space for the spear.
answer:

C