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".

[header] How to sell dvds on amazon [title] Register for an amazon seller account. [step] Go to amazon's seller central site to sign up for a third party seller account. Fill out the registration form with your name, email address, and unique login password. <sep> (A) Once your account has been activated, you'll be able to sell your used items on amazon. [substeps] You may also be asked to provide some basic financial information, such as your debit card or bank account number. (B) Agree to the terms and conditions of the seller account and click on " register " at the bottom right of the page. You will receive your cd rental rights next to your name. (C) [title] Copy your dvd, videos, or files onto your home screen using the same link on the seller main page. [step] Make sure this link is easy to write and that your dvd is in a separate folder for storage purposes. (D) Most sellers will require you to provide a proof of registration and identification number before you can register. [substeps] If you don't yet have an amazon account, you can register this online or in person.
A

[header] How to buy a light kit for photography [title] Make a list of required and/or desired criteria for your light kit. [step] These features include whether you want lights arranged on the floor or ceiling, what kind of photography you will be doing, how many lights you will need, etc. [substeps] Floor studio lights and backgrounds can be transported and arranged on stands or supports. <sep> (A) You may want several different lighting items in one kit. There are many available but most of the light hardware items, like dimmer switches and binders or small set of battery-powered lights, should be picked up at a craft store. (B) Pointed, straight, or one-sided lights can be divided into categories and arranged on tables or on poles. [title] Purchase fixtures that fit the gender and the type of lighting and coloring range that you want to consider. (C) Ceiling lights are more expensive and must be on a rail system for positioning in a rectangular area while background rollers are mounted on the ceiling. Your type of photography can determine how much light you need. (D) Frame sizes can be adjusted to your personal preference depending on the size of your studio. Don't forget to read the product description as well.
C

[header] How to create wavy hair with a curling iron [title] Get a ceramic tourmaline 1 " barrel curling iron. [step] This is a high quality styling tool, and so it should work better than the alternative and also protect your hair better. The 1 " barrel will allow you to create large curls that you can then shake out and scrunch up to create a wavy look. <sep> (A) You can also use a curling iron with a larger barrel or a smaller barrel, though it may be more difficult to achieve the wavy look. [substeps] You can buy curling irons from a beauty supply shop or online. (B) [substeps] Hold the curling iron at hip-height. Holding it at hip level towards you minimizes the risk of damaging your bottom strand of hair and will reduce frizz. (C) [title] Take a small amount of water in your chosen iron. [step] Take a compact 4 " barrel curling iron. (D) [title] Find a curling iron with a round barrel. [step] This is it, curling with a barrel.
A