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 pack an emergency bag [title] Find a bag. [step] It can be anything from a backpack to a laundry bag, as long as is easy to carry and comfortable, though a large backpack with several pockets is ideal. Also, make sure it is made of a more lightweight material so that it reduces the weight you will be carrying around with you. <sep> (A) Include any compartments you can think of that would make carrying your lunch all the easier. Include a normal sized backpack with compartments for every item you'll need. (B) [title] Purchase the flight number and security code. [step] When traveling alone or with strangers, look online for airport security policies. (C) [substeps] Whether you are going on your trip with friends or are staying the night, bring shoes. Many people find it comfortable when walking after a long drive. (D) [title] Pack as much as you think necessary, with at the very least one outfit per person, water purification tablets, the first aid kit, and food. [step] However, do not carry too much because it will increase the weight you will be carrying.
A:
D