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 wax ear hairs [title] Buy an at-home waxing kit. [step] Purchase a wax that is designed to be used on sensitive areas. You can use heated or non-heated wax. <sep> (A) Leave the kit in the same spot and wait three to six hours before using the product. [substeps] You can wax just one area of the ear. (B) Purchase an at-home waxing kit that is made to be used on sensitive skin. You can request wax directly from your dermatologist or pharmacist. (C) Non-heated wax removal products often come with the wax already on a strip, which can provide a more precise application of wax on ear hairs. This is the safest way to wax your ear hair. (D) A wax at home wax kit should contain waxing supplies, and work beside a heated wax tray in a cool, dark area. Your wax kit will also be used on affected areas, such as the backs of your nose and temple.
A:
C