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 be a server [title] Know your menu inside and out; know what the main ingredients, cooking method, and allergens are of every dish. [title] Always wear your uniform and look neat. [title] Be on time, or even better, arrive early. <sep> (A) [title] Use your keyboard wisely--bosses such as, waiters, and cleaners will not like you not being on time and will laugh at your inability to read their music. [title] Always say " thank you " and don't interrupt anyone when they are speaking. (B) [step] Help your server keep track of the times. [title] Many servers have an automated running feature, so you can tell when your server is running. (C) [title] Dress with the right attitude, and with complete respect to the other servers. [step] Human beings need to feel good and put together, so be comfortable. (D) [step] When you are consistently not late, your boss will know he/she can count on you as a trustworthy and reliable employee. [title] Bring a $50 bank (all ones, fives, and coins so you can quickly cash out your guests ) [title] Be willing to assist your coworkers or customers at all times.
D