Detailed Instructions: 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 obtain a license from the federal communications commission [title] Register for the universal licensing system (uls). [step] If you want to file your application electronically, you must create an account with the uls, located on the fcc's website. The uls allows you to manage your licenses and monitor your application's status. <sep> (A) [substeps] Your federal agencies' licensing system will vary based on specific state standards and the number of states you are working in. It is possible to use this method of obtaining a license through state fairs, which are often marked on the skills and citations section of your application. (B) [substeps] You can either download an online registration form from the ucc's site or download an online license application form from the uls's website. The uls website has information about forms you must fill out to get a license. (C) [substeps] Some types of applications must be filed electronically, while for others you may mail in a paper application if you wish. If the fcc requires the application for the type of license you need to be filed electronically, you have no choice but to register with uls. (D) [substeps] You must be at least 18 years of age, and have a bachelor's degree in communications, marketing, or general business administration. Additionally, you must be an officer of the armed forces if you intend to apply for a permit.
A:
C