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 live in slab city [title] Gauge your personal comfort level before heading to slab city. [step] This type of living isn't for everyone, and you'll need to rely on survival instincts to make it each day. [title] Prepare for a primitive lifestyle. <sep> (A) [step] Until your survival skills and familiarity with the rough terrain of slab city will keep you safe and happy, you'll need to take measures to keep yourself safe or at least comfortable. [substeps] Avoid intense weather prior to slab city. (B) [step] You'll need to eat meat, play with your mouse, and learn to cook. Don't just take things easy and plan for the worst. (C) [step] You might think that climbing mountains to survive will be very difficult, but walls are a dead giveaway. [title] Remove all electronics and listen to the background. (D) [step] Since you simply cannot run to a shower house, flip on espn or hit the gym, you must mentally prepare yourself for life away from civilization. This means you'll need to learn food growing, basic survivalist skills and mentally training yourself to live with literally nothing more than what you choose to bring.
A:
D