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". 

[EX Q]: [header] How to spot an online scam [title] Ask yourself: do they require you to pay money up front? [step] If they are requiring any sort of up front payment to use their services, it is almost always a scam. Many of them will claim that it's for the cost of training, etc. Most of that is just lies. <sep> (A) More often than not, the scammer will take your money and run. [title] Ask yourself: do they promise that you will become rich overnight? [step] Let's face it. (B) They may also require you to pay them a fee to do the work of the scam. [title] Start by taking note of the offer terms. (C) If you fail to pay them back, they won't actually use the services they have. Sometimes, scammers simply want to get their money from you to start their scam. (D) Do not discuss this with anyone else, unless you know for sure that it is indeed a scam. [title] Determine whether you're being harassed.
[EX A]: A

[EX Q]: [header] How to avoid water retention [title] Have a healthy diet. [step] Ensuring you have a healthy, balanced diet is a good first step to avoid water retention. Water retention can occur due to imbalances in your diet, deficiencies of some vitamins and minerals, and having too much salt. <sep> (A) One study found that people with excess salt = no water retention. " imbalance " can add up as a reason for water retention and include making it much more difficult to stay hydrated. (B) Excess salt raises your blood pressure, resulting in inaccurate results. Look for foods that are low in salt and low in water. (C) Eating a balanced diet will help to reduce the chances of water retention occurring due to these issues. [title] Eat food that is rich in potassium. (D) [substeps] If you have recently cooked or baked a meal, make an effort to change your recipe one day. This can help your body prevent the retention.
[EX A]: C

[EX Q]: [header] How to write linkedin status updates that attract opportunities [title] Share something with your linkedin network at least once a week. [step] This keeps you and your content more fresh. [title] Make sure that what you share is professional. <sep> (A) [step] This is important, as true linkedin's past is maintain professionalism throughout every aspect of the linkedin service. [title] Stay in touch about what you're interested in. (B) [step] Don't share your kid's graduation with everyone. That's not what linkedin is for. (C) [step] By sharing, you will reinforce to other people that what you're sharing is professional. If you want to show off or promote your linkedin status, you'll need to show that the opportunity is professional. (D) [step] To be more professional, your posts should last longer than links. Rank topics under professional recommendations and referrals by.
[EX A]:
B