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". 

[header] How to make simple five minute frosting [title] Beat the butter in a medium-sized mixing bowl until smooth and fluffy. [step] You can use an electric mixer or a food processor. [title] Add the powdered sugar a small amount at a time. <sep> (A) [step] Use the stand mixer to mix the ingredients on medium speed until smooth and sugar dissolves. Add the vanilla, milk, and eggs. (B) [step] It will increase the strength of the frosting gradually. [title] Once 1 ½ teaspoons of powdered sugar is added, whip the butter. (C) [step] The mixture will appear dry and crumbly at first, but it will become smoother. [title] Gradually stir in the half-and-half or milk until you have reached your desired consistency. (D) [step] The more powdered sugar the healthier the frosting is. [title] Add the vitamin e oil, and stir to combine.
C

[header] How to dry out wet currency [title] Find a dry space. [step] Make sure the bills are kept in a room with good air circulation to lessen the time it takes for the bills to dry. Keep the bills in an area where they won't get blown away or easily lost. <sep> (A) [substeps] At home, you will be able to air dry your currency if your bills stay wet. [title] Store your currencies in a dark, dry place. (B) Avoid putting the bills near open air vents or next to tight crevices where the bills could fall. Try arranging them on the edge of a sink so the water will drip to the ground. (C) Good air circulation should not damage the bills, but it shouldn't be expensive either. [title] Make sure the area is clear of wet or air-logged fabric or paper. (D) [title] Keep your bank account secure if possible. [step] Also, to help the currency from drying out, make sure the extra cash is well hidden in the bank so it isn't moved quickly to prevent the contents from spoiling or breaking up in transit.
B

[header] How to make welsh cookies [title] Pour the egg and the milk into a bowl and whisk them together until they are well combined. [title] Add the currants to the egg and milk mixture. [title] Combine the flour, sugar, nutmeg, baking powder, baking soda and kosher salt in a large bowl. <sep> (A) [title] Stir in the honey and stir it all together until fully incorporated. [title] Put the dough on a lightly floured surface and knead it until it's fully mixed with the rest of the dough. (B) [title] Gradually pour the soy milk mixture into the egg mixture. [title] Make sure that the mixture has no lumps or crusts in it. (C) [step] Stir these dry ingredients a few times with a wooden spoon to combine them. [title] Position a sifter or sieve over another clean bowl. (D) [title] Combine the beef stock and chicken stock in a mixing bowl and beat it until it is mostly incorporated. [title] Add the eggs and mix them with a whisk, until the mixture is fully incorporated.

C