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 find a dog or animal to protect your sheep or livestock [title] Understand the role of a livestock guardian dog. [substeps] Although many herding dogs will attempt to protect the herd from predators, their primary job is to keep the herd together and move it. Livestock protection dogs have been bred not to chase and intimidate a herd, but rather live quietly among it. <sep> (A) A livestock protection dog must view the livestock as family, as the dog's relationship with the herd fuels its desire to protect it. It is much like house dog's drive to protect its family and home. (B) [title] Understand the purpose of a livestock guardian dog. [step] The purpose of a livestock guardian dog is to protect the herd and to provide them with adequate food and shelter. (C) These breeds are true goats and blend into the herd so are not able to be feared or dominated. [title] Recognize the role of a cattle guard dog. (D) As they are bred, you can also adopt them from someone else. [title] Understand why their job is to protect a herd.
A:
A