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".
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Question: [header] How to dry out wet currency [title] Find a dry space. [step] Make sure the bills are kept in a room with good air circulation to lessen the time it takes for the bills to dry. Keep the bills in an area where they won't get blown away or easily lost. <sep> (A) [substeps] At home, you will be able to air dry your currency if your bills stay wet. [title] Store your currencies in a dark, dry place. (B) Avoid putting the bills near open air vents or next to tight crevices where the bills could fall. Try arranging them on the edge of a sink so the water will drip to the ground. (C) Good air circulation should not damage the bills, but it shouldn't be expensive either. [title] Make sure the area is clear of wet or air-logged fabric or paper. (D) [title] Keep your bank account secure if possible. [step] Also, to help the currency from drying out, make sure the extra cash is well hidden in the bank so it isn't moved quickly to prevent the contents from spoiling or breaking up in transit.

Answer: B

Question: [header] How to buy alcohol online [title] Order alcohol only if you're of legal drinking age. [step] Buying online might seem like a good option if you are underage, but it can land you in a lot of trouble. The law limits the drinking age for a reason. <sep> (A) Don't put yourself in a bad situation! [title] Follow the same laws for buying locally in your area. [step] Ordering online will not exempt you from your area's restrictions on buying alcohol in person. (B) ( even better, it isn't illegal. ) read the laws when you are curious about your choice. (C) Nonetheless, you should look for alcohol in liquor stores or online sellers. [title] Weigh the pros and cons of ordering alcohol online. (D) You can find the rules of drinking online, and most law enforcement agencies now have regulations regarding underage drinking. [substeps] Many copyright infringement lawsuits involve the intellectual property of the other party.

Answer: A

Question: [header] How to clean aquarium glass [title] Wipe it off. [step] If you just have some mild algae buildup on the inside of your glass, it's pretty easy to wipe it off with a sponge. Be sure to use a clean sponge that will not introduce any chemicals or detergents into your aquarium. <sep> (A) It's perfectly fine to do this while your fish are in the tank as long as you don't remove much of the water. [substeps] You can use a sponge with an abrasive side if you need a little extra scrubbing power. (B) [title] Scrub your glass with a sponge and a little bit of dish soap. [step] One large puddle of dish soap will come out in a matter of seconds. (C) [title] Separate the plexiglass after every use. [step] Research shows that algae build-up in saltwater aquariums is associated with the fish's digestive system being upset. (D) As a general rule, though, once you've cleaned all of the algae, you want to give it a good cleaning. [substeps] A simple way to do this is to use a soft brush.

Answer:
A