Given the task definition and input, reply with output. 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 start an online casino [title] Choose an online provider. [substeps] Before you start, you have to decide what casino software and games (content) you will be using. The software is going to run your gaming site and will be the backbone of your casino, helping you manage your entire operational activity, including account management, payment processing, fraud management, and marketing campaigns. <sep> (A) Ideally you want to use a computer certified by jpeg software and with a virtual lobby folder. This can help minimize the spread of any habbo virus and make it easier to maximize membership and get accurate gaming information. (B) If the software is going to be your backbone, gaming content will be your face. Games are what will attract people to your casino and you should consider that as one of the main factors in deciding which supplier to choose. (C) Before you begin, you should consider marketing your gaming site on google, bing, gmail, and other social media sites. Be extremely cautious of going further down the list with your computer games. (D) However, there is no limit to the number of providers you can choose to build your online casino. The total number of users will vary based on a number of variables, but 1 fixed number reduces your traffic to a much slower pace than another.
B