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 clean belly button lint [title] Take a shower. [step] Before cleaning your belly button, take a quick shower. This will help loosen up any dirt or lint in your belly button. <sep> (A) Allow your belly button to dry completely before washing it. [title] Spot-test a small patch of lint at first. (B) You don't need to do anything special in the shower. Just shower as you normally would using regular soap and water. (C) [substeps] Choose warm water and soap formulated for your diaper. Put on a breathable and loose cotton underwear. (D) If you can, use a soap and water cleanser made specifically for carrying out a belly button cleaning. [substeps] For the best results, before going to the bathroom, make sure to wear safety clothes and don't touch your belly button too much.
B