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 paint watermelon nails [title] Remove any old nail polish. [step] Soak a cotton ball or pad with nail polish remover. Rub the soaked cotton ball over the old nail polish gently to remove the polish. <sep> (A) [substeps] Rinse away the polish from the peel and gently scrub away the residue, to avoid further staining the polish. You do not have to cover the peel in nail polish remover. (B) Don't wipe the wet cotton onto the watermelon, but rather gently rub it over the nail until the paint is lost. [substeps] Washing the cotton ball between uses will get rid of any old paint. (C) You can also wear gloves to avoid damaging your fingers. [substeps] The rubbing motion will help the polish to adhere to the nails. (D) [title] Paint your entire nail a light pink or red, the color of watermelons. [step] After applying a clear base coat apply a thin coat of pink or red polish starting at the base of the nail and working your way up.
D