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 get rid of a rash under breasts [title] Apply a cold compress to the area. [step] If you notice a rash on your breasts, try a cold compress. This can help reduce inflammation and lead to an improvement in symptoms. <sep> (A) [substeps] Place a cold compress in your bra (if it is on). If it is not made of jersey material, find another fabric to use instead. (B) [substeps] Make sure to measure how cold your compress is to make sure that it will work on your rash. Place a washcloth in your hand and gently wrap the cloth around your breasts. (C) [substeps] You can simply wrap ice in a cotton towel or plastic bag. You can also purchase ice packs from a local supermarket. (D) Apply a cold compress to the area for at least 20 minutes three times a day. Over time, the moisture surrounding the skin can really make it become more sensitive.
A:
C