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 use an ultrasonic cleaner to clean your jewelry [title] Fill the tank of your cleaner with water adding a tablespoon of ammonia. [step] Don't use too much because it can be harmful. [title] Add some dishwashing liquid, and you are done. <sep> (A) [title] Once you have filled your cleaner tank, add some water if needed. [step] Test it on a small portion of your jewelry. (B) [title] Turn on the cleaner and let it run without any items for 5-10 minutes so that the solution gets mixed well. [title] Put your item (s) into the tank. (C) [step] A couple splashes with a tank water mister or jar, may be enough, or 3 packets of heavy duty dish detergent. [title] If you are using a siphon you will need a length of clean, clean tubing or something with handles. (D) [title] Mix in some hydrogen peroxide if you don't have an iodine-based cleaner. [step] [title] Fill a syringe or needle-any type of syringe can work [title] Transfer the solution to your cleaning sponge.
A:
B