Given the task definition and input, reply with output. 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 make an aspirin toner [title] Pour 1/2 cup (120 ml) of distilled water into an empty spray bottle or squirt bottle. [title] Drop 8 to 10 non-coated , 325 mg aspirin tablets to the water. [step] Wait for the aspirin to dissolve. <sep> (A) [title] Add 1/2 cup (120 ml) of apple cider vinegar. [title] Shake the bottle to completely blend the ingredients. (B) [title] Pour 1/2 cup (120 ml) of distilled water over the aspirin. [step] Wait a few seconds, then give the tablets a shake; keep doing this until all of the tablets are dissolved. (C) [title] Repeat the process on the other bottle. [title] Place aside the empty spray bottle or squirt bottle next to the bag with any other containers. (D) [title] Process the aspirin tablet at approximately a 220 f (66 c) for 15 minutes or more. [title] Spray the aspirin tablet on hair or skin.
A