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 clean corian countertops [title] Wipe up spills when they happen. [step] Like any surface, it's easiest to wipe up spills as you go. If you wait to wipe up the spill, it can dry on the surface, making it harder to clean. <sep> (A) However, if spills happen frequently, rubbing them away is a good idea. Quickly wipe up any spills with a soft rag dipped in rubbing alcohol. (B) Luckily, the bottom part of the countertops requires a lot of scrubbing as well. Set a bucket of water and soap into the sink or basin before wiping up on spills. (C) Since corian counter tops are nonporous, the spill won't soak in, making it a breeze to just wipe it up with a clean, damp cloth. [substeps] Always dry the surface immediately after cleaning. (D) If you don't use a towel, wipe up any spill after it happens. [title] Inspect your countertop, especially if it has any scratches.
A:
C