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 have healthy kidneys [title] Stay hydrated. [step] Staying properly hydrated is one of the best ways to keep your kidneys healthy. Without adequate water, your kidneys can lose some of their ability to filter your blood, and may even become damaged over the course of your lifetime. <sep> (A) [substeps] Drinking water helps your kidneys flush sodium, urea, toxins, and waste out of your body. By staying properly hydrated, you can significantly reduce your risk of developing chronic kidney disease. (B) Aim to drink at least 8 fluid ounces of water every day. This will help reduce any additional fluid or waste in your system and will also allow you to more easily relieve the symptoms of kidney problems. (C) Insufficient water will contribute to poor kidney function, such as kidney failure and rheumatoid arthritis. Trying to drink water with no filter might cause further kidney damage. (D) [substeps] The best amount of water recommended by experts is 1 gallon a day (2.5 liters) each. Drink bottled water, but you don't need soda, fruit juices, or other non-carbonated beverages; opt for bottled water.
[A]: A


[Q]: A person is seen playing the drums while others watch on the side. the men <sep> (A) laugh with one another as the man continues to play. (B) lower their cymbals while still playing. (C) play the drums on the stage while others watch on the side. (D) continue playing the drums on the beach and ends with a picture of the drum player.
[A]: A


[Q]: [header] How to pack fragile items for shipping [title] Select the right size of box : [step] The first thing to keep in mind is the right selection of the box in respect to its size and thickness. For heavy, large or brittle items choose a box which fits the item perfectly. However, make sure you have enough space inside it to provide proper cushioning to the item. <sep> (A) Keep in mind that without the proper size of box, fragile items will not proceed with their shipping. These items will not possibly look good at auction. (B) A small box may be just right for packing larger items, while a medium box may be perfect for heavier items. [title] Clean the box : [step] Use a damp rag to dry all surfaces of the box. (C) [title] Make the goods face the right way : [step] Depending upon the nature and edges of the item, make sure to face your goods the right way. Certain items need to placed upright, while some items require to be laid down in the box. (D) [substeps] Cartons or boxes are best for packing delicate items such as cosmetics, clothing and heavy items such as postcards. Ideally, you should only use any boxes that have handles or are stable enough to hold the fragile item in place without falling over.
[A]:
C