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 cure swollen gums [title] Talk with your dentist. [step] Make an appointment with your dentist if you notice that your gums are bleeding or irritated throughout the day. You can also bring up this issue with your dentist when you see them every 6 months for a cleaning. <sep> (A) [substeps] You can also get a referral to a dietician who specializes in simply treating swollen gums at home. They may be able to diagnose swollen gums by looking at how your gums feel. (B) You can ask that your dentist discuss all of the possible treatment options with you. [substeps] Your dentist will likely order annual x-rays for you. (C) Dentist visits will help clear up any bleeding and ease your pain. [substeps] Some gums naturally bleed after eating. (D) You might end up visiting your dentist twice a year for repeated cleanings. [title] Avoid gum infections if you suffer from a periodontal disease.

Answer: B


Question: [header] How to remove hair from your throat [title] Try to swallow the hair. [step] If you suspect that you have one or two hairs stuck in your throat, try to just swallow them. The hair will travel through your digestive tract like food does and your body will excrete them. <sep> (A) Pass the hair around your mouth under your tongue until you see no more hairs. It's important that you close your mouth as tightly as possible so that the hairs don't come back. (B) Sucking in the hair will leave your throat full of the hair. If the hairs are stuck in your throat, then you might want to rub a cotton ball or toilet paper over your throat to help get rid of the hairs. (C) This will open up the glycerine lining in your throat and prevent anything from coming out. [substeps] Wait a few minutes to see if they're gone. (D) Your body will not break down the hair because it's made of keratin, a dense protein. [substeps] If it feels like the hair is long, see if you can use your clean fingers to pull the hair out of your throat.

Answer: D


Question: [header] How to study without getting bored [title] Find a suitable place for study. [step] One of the most important aspects to studying is finding the right place. Although you don't want to get bored, you want to make sure you are in a place that is free of distraction. <sep> (A) [substeps] If you are in a library or on a bus, an empty room is fine because many colleges are close to campus. If you are at home, study outside near a heat lamp or by going indoors. (B) Distractions are counterproductive to learning and will actually cause you to become more bored because you are reminded of the things you could be doing other than studying. [substeps] Find a place that is well lit and temperature controlled. (C) Finding a good spot can be very important, so find a place where you can study at your own pace. Also find a place with an appropriate amount of distractions. (D) [substeps] Find a place that is quiet that you can study comfortably. You need at least as much of the old at home air flow as possible, and that means some quiet and space.

Answer:
B