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 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

[header] How to join the mormon church (church of jesus christ of latter day saints ) [title] Learn more about what mormons believe. [step] You should feel like you have a solid grasp on the beliefs of the mormon church before becoming a member. You can get literature about mormonism directly from the lds church website to begin with. <sep> (A) You can also visit the websites of the majority of mormonistic denominations like the jackson pike church of christ of latter day saints' danbury, or the american academy of mormonism. You should also research the general beliefs and values of mormonistic church members before becoming a member. (B) [title] Donate material after reading about the lds church. [step] There are many magazines and publications devoted to mormonism. (C) [substeps] For more information, see this article. [title] Consider the spiritual side of the organization. (D) Once you feel like you know what the religion is about, you can move on to talking with people about the religion. [substeps] The best source is a member of the mormon church or their missionaries.
D

[header] How to be less emotional [title] Practice breathing techniques. [step] Breathing can help calm you down when you're experiencing overwhelming emotions such as rage, endless crying, or deep disappointment. If you're feeling overwhelmed by emotional intensity, pause to focus on your breathing. <sep> (A) Breathing techniques can help you manage your emotions more effectively and help you handle intense emotions better. You may notice that as you experience intense emotions, they bring you further from experiencing yourself and your body. (B) This will help you realize what's triggering your emotional outbursts and ensure you're not suppressing it. [substeps] When watching tv, sit in a quiet spot and take in a big, steady breath. (C) [substeps] When you're feeling rushed, slow down and focus on your breathing. The more frequently you do this, the harder it will be to remain calm and collected. (D) Take in a deep breath slowly to relax and calm you down. [substeps] Take a brief moment to breathe deeply before and during a conversation that impedes your flow of thoughts.

A