Teacher: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".
Teacher: Now, understand the problem? Solve this instance: [header] How to make a hot oil treatment for hair [title] Buy coconut oil. [step] It is available in the baking section of many grocery stores since it has been found to be a healthy alternative to vegetable oils. It is also common at specialty and import grocery stores, and at some beauty supply stores. <sep> (A) It is safe for hair, too, as some commercial coconut oil has astringents in it, making it very safe to use. [title] Stir the coconut oil in a bowl. (B) [substeps] For maximum benefits, consider using 1/2 of coconut oil per 36 hours of cooking time. Soak your hair with coconut oil as needed each day to stimulate hair growth. (C) [substeps] Coconut oil has a mild, yet strong, odor. Do not use coconut oil if you plan to use it in combination with other oils. (D) [substeps] Coconut oil is usually sold in a jar. It is solid at room temperature but will turn to a liquid in the palm of your hand.
Student:
D