Detailed Instructions: 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 get rid of bumps on your tongue [title] Gargle with a warm saltwater solution. [step] Swishing a simple saline solution has some antibacterial properties and may help relieve tongue bumps. It can also help decrease any inflammation that may present with the condition. <sep> (A) [substeps] Saltwater, though less potent, can be mixed with hydrogen peroxide to ease the itching. A half teaspoon of salt is about teaspoon. (B) Instead of using plain water, combine 1 gallon (3.78 liters) of cold water with a tablespoon of salt, a teaspoon of baking soda, and 8 ounces (236 ml) of saltwater. [substeps] Swish the mixture up and down your tongue. (C) [substeps] Dissolve 1/2 a teaspoon of salt in an 8-oz glass of warm water to make your saline solution. Gargle a mouthful of the salt water for 30 seconds and then gently spit it out. (D) If you do not have a saline solution, fill a small plastic bottle with a small amount of warm water and swish it around with your tongue and up against your tongue for 2 to 3 minutes before spitting it out. [substeps] You can also drink saltwater with ginger ale instead.
A:
C