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 choose a dating site profile picture [title] Let them see you. [step] A profile picture's main purpose is to let potential matches see you. Because profile pictures tend to be small, you might want a picture of just your face or your shoulders and face. <sep> (A) Alternatively, you could create your own photo that includes the only aspect of your face that is not too large. [title] Optimize the picture to serve as a place to get ideas. (B) ( this is probably too self-deprecating and rather a trap for the stalker. ) showing them your face lets the potential date know exactly why you are happy with them. (C) That way, they can see you easily without even clicking on your profile. [substeps] That means getting an up-close picture. (D) And as a profile image can be a good way to portray your personality and show potential dates or non-potential matches, you should also have a picture of you together. You can use any picture of you as your profile picture if you have access to the internet.
C

[header] How to numb a tooth [title] Take an over-the-counter-painkiller. [step] A painkiller like ibuprofen or acetaminophen should be your first step in trying to numb a painful tooth. These painkillers will alleviate the pain from your tooth, and should also decrease any swelling in the infected area. <sep> (A) [substeps] If you are not able to find ibuprofen, you can opt for acetaminophen instead. [title] Freeze food that contains aspirin. (B) [substeps] Ibuprofen can be applied within 30 minutes to up the duration of an over-the-counter painkiller. Follow the manufacturer's instructions and do not take ibuprofen within 30 minutes after it has been applied. (C) [substeps] Make sure you read and follow the dosage on the packaging. Do not eat anything until told to do so by your dentist to ensure you are following the proper dosage. (D) These are all readily available at your local pharmacy. [substeps] If you're treating a toothache in a child younger than 18, do not give him or her aspirin.
D

[header] How to treat an overactive bladder naturally [title] Control your fluid intake throughout the day. [step] To avoid overwhelming your bladder, you should try to control how often you drink fluids throughout the day. Aim for reducing your fluid intake by 25 percent so your bladder is not too full. <sep> (A) [substeps] One side effect of using an active bladder involves pressure in your bladder. This pressure can be carried out via straining, pushing out urine from your bladder. (B) Your doctor may also suggest a specific fluid reduction for you based on your condition. [substeps] For example, you may try to drink a certain amount of water every hour or every other hour so you spread out your fluid intake. (C) [substeps] Drink 800 to 227 milliliters (1 cup) of fluids daily. Drink this in a warm, soothing bath so that you do not overexert yourself. (D) [substeps] Limit your fluid intake to 500 mg a day (0.3 mg given orally). If you are at work or at school, try eliminating excessive or strenuous physical activity from your schedule.

B

