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". 

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.
B

A girl flips and takes her turn then flips out of the center. A teen does a flip to the other side of the room. one of the teachers <sep> (A) comes and takes their places. (B) takes her turn next. (C) reaches down to help the girl who was standing up. (D) moves to the middle of the floor.
D

[header] How to improve your mood with diet [title] Add some veggies to your eggs. [step] Bananas have important b vitamins as well as potassium, which are both essential for the health of your brain. They also give you balanced energy for the morning. <sep> (A) They also have lots of carbohydrates, which help with the production of the mood enhancing chemical serotonin. [substeps] Eating a low-carbohydrate diet may have a negative effect on your mood. (B) Different veggies have similar substance and beneficial ratios. [substeps] Include ones like broccoli with your eggs in a smoothie. (C) Cooking vegetables also helps promote a healthy emotional response. To make it more difficult to sleep, include vegetables in your diet. (D) [title] Eat nuts as an appetizer. [step] You can add a few tablespoons of raw black greek yogurt into your morning scrambled omelet.

A