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 safely dispose of paint [title] Consider saving it for a later project. [step] Latex paint can be stored for up to a year and then mixed and reused for a later project. It won't be the exact color you need, but it's useful to use as a base paint or to paint interior surfaces that won't be seen. <sep> (A) This way, you can use up all the paint without needing to throw it away. [substeps] Tightly seal the used paint can and store it upside-down in a cool, dry storage area. (B) Paint by hand is cheaper and more efficient. [substeps] Latex can go bad very quickly. (C) Latex paint is safe to use on countertops and other paint surfaces. [substeps] Latex paint cannot be mixed and reused for a future project that will use latex paint, such as wallpaper, furniture or wood. (D) [substeps] Put away your painting supplies and other storage materials if you intend to use the latex as a new color. [title] Protect your walls from dust and mildew.
Student:
A