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]: A young boy is standing in front of a mound of sand and hitting the mound with his hands. The boy begins to stomp on the sand mound. the boy <sep> (A) continues to kick the puck back and forth while others are watching his game. (B) begins to try to climb the sand mound while people walk on the ocean front at the beach. (C) then sets down the stick and begins to clap his arms. (D) continues kicking the mound of sand until it sticks out.
[A]: B


[Q]: [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


[Q]: [header] How to identify trees by leaves [title] Determine the leaf type. [step] The most common leaf type is a broadleaf, which is wide and flat. But leaves also come in needle, cactus, and scale types. <sep> (A) Some species are 226 markups with narrow leaves, while others have branches that narrow to a single leaf near a central branch. Some other species may have leaf fronds that are much smaller. (B) Needle leaves are long and pointed like a pin, cactus leaves are thick and usually covered in spines, and scales leaves are thin, oblong leaves that primarily belong to cypress trees. Compare your leaf to the different basic leaf types to narrow down what species your leaf might be. (C) Cottonwood-hickory branches dry up and flowers flower on your plant can be expanded: they or roots appear to be green, brown or maroon, depending on the plant the tree is indigenous to. Tenessap is from this umbrella system. (D) You'll want a thicker leaf for a well-made tree, while an thinner leaf for a woody tree. Though these differences will have to be avoided, they can be factored into your pricing process.
[A]:
B