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 remove cat spray [title] Blot the urine right away. [step] If you see your cat spray in the house or find a wet urine stain, blot the spot with a clean towel immediately. This will soak up as much urine as possible, diminishing the possibility of the pee soaking into your rug or upholstery. <sep> (A) [substeps] Do not use the towel on a wet stain. [title] Flush the stain with hot water in the sink. (B) [title] Use water and a few drops of soap to dilute the damp spot. [step] Get a bowl of warm water, and put a few drops of mild soap in it. (C) [substeps] It may take several days before your cat stain is completely gone or has been removed. The easiest, but least effective way to spot a wet spot, is to blot the urine with a clean, dry towel. (D) [substeps] If the urine stain shows up somewhere else after it has soaked, you'll want to dry the area immediately with a towel. Let your rug dry until the urine has completely dried.
A:
B