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 make football brownies [title] Preheat the oven and melt the butter with the unsweetened chocolate. [step] Turn the oven on to 350 degrees f (176 c). Get out a medium saucepan and place 1 cup (226 g) of butter in it. <sep> (A) Turn the heat to medium low and let the butter melt for about 1 minute or until it melts. [substeps] It's best to use unsweetened butter because it doesn't contain the white chocolate protein it caramelizes more effectively. (B) Stir the two together with a wooden spoon until melted and the mixture is smooth. [substeps] You can use either unsweetened or unsweetened chocolate. (C) Place a sieve over the top to break up any remaining clumps of butter and sugar that might be settling in the butter and place the bowl inside the pan. [substeps] If you prefer, you can use a stand mixer that is set to low speed or you can run a light mixer over the top. (D) Chop 6 ounces (170 g) of unsweetened chocolate into chunks and add it to the saucepan. Melt the butter with the chocolate over low heat.

Answer: D

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 save a web page to a psp [title] Download mozilla firefox or use internet explorer. [title] Find the page you wish to save, for example, the page you are currently reading. [title] Go to settings, then usb mode on your psp. <sep> (A) [title] Look inside the search bar, and tap on the button shaped like a mouse pointer, which then designates the psp it saved. [step] Hopefully, the browser will prompt something like " firefox (mid-range). (B) [title] Connect it to your pc via a usb cable. [title] Whilst viewing the page you wish to save, click " file, " and then " save page as. (C) [title] Go to the " manage the page " box, and go through the information. [step] Make sure that you are looking at " friends and family. (D) [step] This should display the usb layout on the psp home page. [title] Move the mouse cursor to the location where you want to save to.

Answer:
B