Definition: 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 treat damaged hair [title] Switch up your shampoo. [step] Look for a moisturizing shampoo, or one for damaged hair. Keep an eye out for shampoos with natural ingredients like jojoba oil. <sep> (A) Look for shampoos made with argan oil, which helps prevent hair from drying out and discoloring. [substeps] Moisturizing is also great for fine dry hair, coarse hair, or hair that hasn't reached your desired length. (B) Look for products made for your hair type. [substeps] For example, cream shampoo gives your hair volume and can help smooth curly hair. (C) [substeps] Natural ingredients that moisturize will work best to treat your hair. Some chemicals can make your hair feel smoother, but will really cause further damage to the follicle. (D) Read the label of your shampoo to confirm your brand. Some popular moisturizing shampoos are kale, argan, lemon, and avocado.
Output:
C