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 clean a mouse cage [title] Rinse your mouse's food bowl with soap and water. [step] Once per day, take your mouse's food bowl and run it under a stream of hot water. Then, squirt a few drops of antibacterial soap onto a scrubbing brush and use it to clean the bowl thoroughly. <sep> (A) [substeps] Avoid using dish soap, which can irritate your mouse's skin and head while cleaning. Allow the bowl to dry overnight, which should take less than an hour. (B) Once you're done, dry the bowl off with a clean towel. [substeps] Make sure the bowl is completely dry and free of soap before filling it up with food. (C) [substeps] Try your best to make sure the bowl you use is not full of leftover mouse food. Go easy on germs and yeast. (D) This can be a neat chore, or it can be something more. The soap will remove dirt, gunk, and germs.
A:
B