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 act during a fire drill [title] Stay calm. [step] Do not panic when you hear the fire alarm. Also, it's important to stay quiet so you can hear any instructions. <sep> (A) Also, do not get caught panicking. Staying calm will help you calm down as the fire clock ticks and alarms go off at regular intervals. (B) [title] Do not attempt to push the drill to divert the fire. [step] Do not attempt to push the drill at people or leave the master fuse unattended. (C) Turning to your cell phone or microphone can be deadly! [title] Stay warm. [step] Do not wait until the fire is out to stay warm! Your body temperature can drop, but it's better to stay near a heat source. (D) [substeps] In fact, it's important to be quiet and calm the whole time the fire drill is happening, not just when it starts. [title] Treat the alert as if it were a real fire.
D

There are people on personal sailboats and they're holding onto their sails, leaning as far back as they can. a woman wearing a hat, wetsuit and a lifejacket <sep> (A) is sitting in the water and she's holding fruit and reading a book on a tablet. (B) is standing in rear of the sail the boat is on. (C) is seated on the lifebuoy. (D) is sitting on her sailboat and holding onto her sail and steering.
D

[header] How to remove nail polish stains from your finger nails [title] Take a bowl and add warm water and slices of lemon. [title] Soak your nails into the lemon solution for 1-2 minutes. [title] Take the toothbrush and wet it, then squeeze some toothpaste onto the brush. <sep> (A) [title] Apply the toothpaste and add a few drops of water into it. [title] Brush your nails with the toothbrush or toothpaste. (B) [title] Gently scrub your nails with it, wetting the nails as you go. [step] The toothpaste should lather up. (C) [title] Using your fingers, sweep flakes of toothpaste on each nail. [title] With your other hand move the brush on to the top of your nail. (D) [title] Using the toothbrush, scrub your hands, wrists, elbows, and toenails. [step] The lemon juice acts as a mild stain remover, so water should not help it.

B