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".
Input: [header] How to clean a long haired hamster [title] Gather your supplies. [step] Long-haired hamsters may need more cleaning than short-haired hamsters. If you notice your hamster seems dirty, a dry bath or sand bath is your best option. <sep> (A) In the wild, hamster clean themselves using abrasive dirt or sand as water drains their fur of necessary oils. Always go for a sand bath over a water bath. (B) Avoid clean cages, which can be especially dirty. [title] Wash your hands before you handle your hamster. (C) Do not let him go too long, as this can lead to illness or injury. Avoid using hot water while your hamster is cleaning. (D) [substeps] If your hamster seems to be sick after your bathing, you may also need to trim a few hairs on its coat. Wash your hamster's coat once a week.
Output:
A