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 keep your hotel room safe [title] Supervise your luggage and overnight bags at all times. [step] There will likely be plenty of distractions in the main lobby of your hotel, which means it'll be easy for you to lose track of your luggage. This will make it an easy target for thieves, who may take advantage of your distraction. <sep> (A) [substeps] It's a good idea to keep all luggage within arm's reach at all times, especially when you are checking in. Be wary about passing your luggage off to a porter or bellhop. (B) When stealing luggage, do not forget to make sure you place it properly, including in bags close to the hotel's entrance. [title] Keep your contact information and possessions secure. (C) [substeps] If you see an ample amount of luggage in the lobby, a security guard will walk by to see what your luggage is. Keep your luggage in your carry-on bag at all times, and keep it covered at all times. (D) If your luggage and overnight bags are in disarray, be aware of this so you can remain informed and can prepare for them quickly. [substeps] Keep important important information like your name, schedules, and contact information in a clear place where people can see it easily.
A:
A