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 recognize and prevent a hookworm infection [title] Be aware of who is most at risk. [step] Some people are more likely to come into contact with hookworm infection than others due to their work, play, or other habits. Those most at risk include : [substeps] People who come into direct contact with soil contaminated with human feces such as gardeners, builders, plumbers, etc. <sep> (A) People with bare hands are at a higher risk for contracting hookworm with other people. Hookworm is a viral infection, and your body will not effectively fight the bacteria that makes up the infection. (B) Keep in mind that hookworm infection can cause gastrointestinal issues and can worsen over time. Tell your family, friends, and professionals what you are at risk of and where you are at before they know about it. (C) Products that might carry the disease contact with bee stings or pollination that might be harmful to bees also through play. Anyone under the age of 12 is at a higher risk. (D) Children who frequently play outside barefoot, or who play in contaminated soil. [title] Recognize the symptoms of a hookworm infection.
D

[header] How to use pomade [title] Pick between oil based or water based pomade. [step] Oil based pomade is the more traditional choice, but water based is a bit more popular. The choice depends on the look you're going for with your hair. <sep> (A) [substeps] Oil based pomades tend to be the a bit less expensive than water based pomades. They give a much greasier and shinier look than water based, and they typically have a much stronger hold. (B) When you can opt for oil based, your hair will have the smooth, glossy look you want. If you want the pomade to have a more polished finish, look for a one sided pomade. (C) [substeps] Oil based pomade may look great when you put hair in a ponytail or bun, while water based pomade doesn't add much volume and requires much more work. Other oils low in taste, such as coconut oil can make hair easier for you to twist and style. (D) [substeps] For medium length hair, shave your legs down to your toes to style it nicely. For longer hair, shave a small pile of hair up about half an inch in front of your face.
A

[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.

A