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 stay young [title] Challenge yourself to try new things. [step] Go out dancing, joining a book club or a hiking club, or try out for a community chorus. Singing, dancing, and finding new ways to stay active all contribute towards keeping a youthful outlook on life. <sep> (A) Here are some things to take into account : [substeps] Spend less time studying or practicing. Read only the books you are interested in, do not read video games, and do not browse old magazines or websites. (B) [substeps] Don't be afraid to laugh at yourself. Trying new things with joyfulness raises your levels of dopamine and energy levels. (C) [substeps] Try a fun game like punch or catch. Then, in the morning, you'll feel fresh and energized, and all your racing thoughts will be washed away. (D) If you can, challenge yourself to put in hours or weeks into each of these activities. Try hard but don't give up if you cannot help someone in need.
B

[header] How to avoid common glass tile installation mistakes [title] Ensure color consistency behind glass tile. [substeps] Since glass can be the sole material in an installation, it is essential to choose a bonding mortar that meets its unique demands. In most cases, the color of the thin-set mortar was not an issue when installing opaque ceramic tile. <sep> (A) But with clear and translucent glass, the mortar appears through the tile: if the color varies in the mortar, it will in the glass tile too. To eliminate variations across a glass tile installation, choose a glass tile mortar with a bright white shade that is controlled to a consistent standard color. (B) [title] Find a masonry solution solution as described in this article. [step] Masonry solutions used to be sold in commercial suppliers were expensive and less durable than those containing glazed portions. (C) [title] Check your online repair and installation guide for common glass tile installation recommendations. [substeps] If you cannot find the recommended measurements, consult the manufacturer's website or consult the recommended supplies list. (D) Spray glass tile debris on the glass tile before continuing. Rinse glass tile debris with water and wipe the water away.
A

[header] How to make holiday fruit drop cookies [title] Place the brown sugar, shortening, buttermilk and eggs into a mixing bowl. [title] Mix the ingredients with a handheld mixer or with a stand mixer using a paddle attachment. [step] Set your mixer at medium speed. <sep> (A) [substeps] Depending on your plan, you may start your mixer at a low speed or at medium speed. If you know how to use the stand mixer, set the mixer at medium speed. (B) [title] Mix the flour, baking soda and kosher salt in another mixing bowl, whisking the ingredients so that they are well combined. [title] Add 1/3 of the flour mixture to the wet ingredients, continuing to beat the dough at medium speed. (C) [title] Gradually add in the brown sugar and speed it up. [step] Add the dried pineapple to the bowl and beat it up until the mixture is stiff. (D) To make the cookies properly, your mixer must produce a high speed that will begin to mix the ingredients together. If you lack accuracy, set the speed too low, too high, or the cookies will not stand properly.
B