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".

[Q]: [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.
[A]: D

[Q]: [header] How to install a bakflip hd tonneau cover on a ford f150 [title] Place the rail of the bakflip hd on right hand side bed rail of the f150. [step] Slide the tonneau rail all the way forward to the bulk head. It is a good idea to have a squeeze clamp or similar to hold it in place. <sep> (A) [title] Slowly turn the bakflip over so it moves slowly, its going to wobble and have to be bent the opposite way of the rail. [step] Be prepared for a lot of bumping. (B) [title] Tightly wrap round tray socket on right hand rail over cover and fasten. [step] Compression disks complete a swivel mounted over rail. (C) [title] Place the included rail clamps in place. [step] Tighten with a wrench or socket. (D) This will prevent the oil from jumping up and down accidentally while the g2 is being painted. [title] Place the nikon bolt assembly inside the couplers cradle.
[A]: C

[Q]: [header] How to make a vegan caesar salad [title] Preheat your oven. [step] Since most ovens take about 15 minutes to preheat, it's best to begin preheating right away. Set your oven to 400 f (204 c). <sep> (A) Place olive oil in a large skillet or a cooking pan. Add in the garlic, chicken and the other ingredients that will cook together. (B) Use a butter knife to give your oven a thorough clean. Once your oven is completely preheated, remove the lid and let your salad sit for a few minutes. (C) While your oven heats, you can prepare other parts of this recipe. [title] Place chick peas on a baking sheet and season them. (D) [title] Place the ingredients in an electric mixer bowl. [step] Place the ground beef, chopped onions, rosemary , 3/4 cup of salt, and 1/4 cup of olive oil in a large mixing bowl.
[A]:
C