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]: There is a large decorated christmas tree behind them. There is a woman sitting in the living room with a little girl. the boys <sep> (A) begin to climb hill on the christmas tree with an orange garland and used a brush. (B) play foos ball with the men. (C) are showing the little girl how to pierce her nose piercing. (D) start to play as the woman continues knitting the tree.
[A]: B

[Q]: A man shows how to change a tube in a tire. he <sep> (A) puts a jack under the tube to lift it up. (B) puts a new tire on the tube. (C) takes the old tube out, puts the new one in, then pumps it up. (D) moves dirt covering the tube.
[A]: C

[Q]: [header] How to properly deal with an aggressive cat [title] Look for behavioral patterns. [step] To us, cats can appear baffling or unpredictable, whereas in reality we are just poor are reading their body language and understanding what they are trying to tell us. But what we do know is that there are a number of distinct patterns involved with cat aggression. <sep> (A) These can be broken into a series of situation-oriented categories that are not mutually exclusive. [substeps] Play aggression happens when cats take play too far. (B) As such, we can take dramatic action if someone attacks or harms the cat. [substeps] Many kittens adopt aggression when they are very young. (C) These patterns can be identified from the behavior on a particular cat and based on its behavior. [substeps] Watch for similar behavior in kittens. (D) This behavior causes them to have behaviors that may evoke aggressive behavior such as quick-acting, aggressive behaviors. [substeps] Aggressive behavior occurs when the cat displays aggression or when the cat stares down at prey.
[A]:
A