TASK DEFINITION: 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".
PROBLEM: [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.

SOLUTION: D

PROBLEM: [header] How to make a sleeveless shirt [title] Choose which shirt you would like to make sleeveless. [step] Almost any shirt lends itself to becoming sleeveless, but there are some common options. [substeps] T-shirts old blouses long-sleeved shirts [title] Turn your shirt inside out and lay it on a flat surface. <sep> (A) [step] Cut along the fold so the front of the shirt is close to the seam. [title] Lay a piece of duct tape across the seam. (B) [step] Roll up the sleeves so that they extend past your elbow and onto your shoulder. If you can, collect some excess material in a bag or pick it up from the floor and then place it back over your shoulder. (C) [step] This can be a small table, a textbook, or a pile of paper. Because this is the shirt with the sleeves rolled off to the side, it should be close to the outside of your shirt. (D) [step] It is important that the surface is flat so that you cut the shirt evenly. [title] Cut strips into the sleeves, perpendicular to the seam.

SOLUTION: D

PROBLEM: [header] How to become an optometrist [title] Obtain a bachelor's degree in pre-med or science. [step] Before you can apply to an optometry program, you need to complete an undergraduate degree. Most optometry schools require coursework in biology, chemistry, physics, english, and mathematics. <sep> (A) A pre-med degree or degree in a biological science will help prepare you for med school. Get a well-rounded undergrad education and work hard to get good grades! Medical schools will want to see that you take your education seriously. (B) [substeps] College degree requirements for enrolling in an accredited pre-med program varies by state. Ask your guidance counselor if this is a good choice for you. (C) Depending on your interests, you may also want to complete a bachelor's degree in political science, cultural studies, and business. [substeps] Pursue something like a master's degree or a doctoral degree (bfa). (D) Then pass an exam which covers all four of these subjects and you will get a gpa. [substeps] An additional requirement might be having a master's degree in a specific subject, like biology.

SOLUTION:
A