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 travel abroad [title] Do your research. [step] You need to research where you are going, the flight times and prices for airlines, and which documents you need to take with you. Plan out your itinerary carefully. <sep> (A) Some cities, like london or paris, really need a week to see what they have to offer. Travel times also need to be taken into consideration. (B) For example, visit a couple of websites of airlines to see what type of itinerary they offer. Pay attention to the price, name, phone number and/or mailing address of each airline. (C) This will help ensure that all of your research enables you to see where you want to go. [substeps] Do research on an airline's website, and see what seat guides they offer on planes and what websites they provide online. (D) [title] Decide whether you will be flying from 1 area or from another. [step] International flights should likely be just a teaser.

Answer: A

Question: [header] How to effectively use email at work [title] Allocate specific times of the day to read and respond to your e-mail. [step] If you don't stay in control of checking your e-mail, you may end up wasting too much of your work day checking it. Try to respond to emails immediately. <sep> (A) While you can use your email system to get more emails, remember to adjust your work email usage to accommodate any change in time. [substeps] Use social media to check your e-mail and read your e-mail. (B) [title] Organize your email whenever you are in it. [step] Effective use of work email includes deleting emails you know you won't need as you read them and filing those that you will need in specified folders. (C) Staying in control of your personal email should be your top defense when handling an in-office correspondence. [title] Identify your e-mail's subject line. (D) Or try to set an automatic schedule to read them at other times. [substeps] Plan to read at least once a day, unless you work on a busy schedule.

Answer: B

Question: [header] How to dip dye dark hair [title] Protect yourself and work area from bleach stains. [step] Cover your counter with newspaper. Wrap a dyeing cape or an old towel around your shoulders and put on a pair of plastic gloves. <sep> (A) Lastly, make sure that you have all of your supplies laid out and ready to go. [title] Mix the bleach according to the instructions on the package. (B) [substeps] Deep dye dark hair requires heavy amounts of bleach. For deep dye, i recommend having a shirt with dark sleeves. (C) Wear a sturdy t-shirt and apron to protect yourself while you work. Put bleach bowls or a bucket into your sink so that you can come to an additional solution that's the same color as the dye. (D) Bleach is caustic and it affects your hair and eyes. [substeps] You can also wear a bandanna around your neck.

Answer:
A