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 identify a siberian tiger [title] Look for long, thick fur. [step] Because siberian tigers live in colder climates than other tiger subspecies, they have considerably thicker coats. Most other tigers will have a very thin layer of fur close to their body. <sep> (A) [substeps] Siberian tigers often have thin coats that are made from specific materials that repel the cold and will not compete with the other types of fur. Siberian tigers are known as " rhode ors, " or " jumpers. (B) [substeps] Siberian tigers also typically have white or tan skin, without shades of brown. Their fur will be pale and coarse, with geometric stripes or patches of fur along their body. (C) Siberian tigers, in contrast, will look a bit puffy because of their longer fur. [substeps] Because of their colder environment, siberian tigers will even have thick fur on their paws. (D) If your siberian tiger is a larger sized tiger, then look for a small with a long coat or big. [title] Check for eight or more striped stripes.
C

[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.
B

A stack of wooden limbs are gathered together. a man's hands <sep> (A) graphic and weld the twigs together. (B) appear, lighting the flint. (C) are placed on the branches as the trunk is hammered down. (D) begin to chop the wood limbs with a wooden ax.

B