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 set up an airsoft backpack [title] Pick out a backpack that is able to store a lot of airsoft equipment in. [step] Usually duffle bags are the most popular because they are able to hold aeg's and other rifles. [title] Now you need to buy a large supply of ammo (preferably 5 , 000 count containers). <sep> (A) [step] Try to get an ak-47, carbine, and shotgun. [title] Buy the shoulder pads, but also carry a magazine for those that cannot live without them. (B) [step] Also buy a notebook so you can write notes when you get home. [title] Go to the amazon website and download avo () making sure that you are on the right tablet. (C) [step] You could also make a backpack out of different materials that you'll use later in the game. If you are going to be using items higher up, such as weapons, make sure each item in your inventory has access to the maximum amount of ammunition. (D) [step] Place all the ammo into the large compartment of the backpack. [title] Depending on what type of gun you have but either way if it's over 350 fps then consider buying lots of.
D