Q: 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 become a professional fighter [title] Learn to fight. [step] If you're going to go pro as a fighter, you're going to have to be the best fighter you possibly can be. Study the techniques and training regimens necessary to whatever style of fighting you're interested in. <sep> (A) One of the better things you can do is learn better martial fu than being afraid to rely on your knives to fight or train your mma expertise. [substeps] Learn in shadow form so your instructor won't see your blades separate and learn to fight different rounds. (B) You'll need to be focused on how to put the strongest moves in motion at the same time. Don't let your focus shift so much to the competition itself. (C) [substeps] If you're not a ballet fan, you may not have any time to do more than sit in the ring. But if you're passionate about fighting and cannot stand learning a skill, you'll have to work hard to perform a professional fighter. (D) [substeps] Mma is by far the most popular modern fighting style. Combining elements of boxing, kick boxing, muay thai, wrestling, and jiu jitsu, mma will require that you develop a " total package " of fighting skills.
A:
D