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 get into a boarding school [title] Get good grades. [step] It's important to get good grades all through middle school, many of the top boarding schools (tenschools.org) require straight-a's (or very close to it). [title] Make sure you are prepared to take the ssat. <sep> (A) [step] If you just don't have anything you feel comfortable with doing, don't worry. It's most likely you'll be under the supervision of a guidance counselor (if at all) on board with your future career aspirations. (B) [step] Slated schools can have a tough time accepting going students into a boarding boarding school. The ssat can have problems with other boarding schools and can prohibit prep for boarding. (C) [step] There are some str classes available as a student for gym teachers. Your school may not have one such as the one available here here. (D) [step] If your ssat scores aren't great, it will really hurt you. Most schools expect you to have pretty good scores and if yours aren't, they might not even read the rest of your application.
D