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 fruit crisp [title] Preheat your oven to 350 degrees f (175 degrees c). [title] Coat the bottom of a 9 x 12 baking dish with butter. [substeps] Use a stick of butter from the refrigerator to prevent clumps on the dish. <sep> (A) Fold the top two or three times so the butter is completely mixed in. [title] Place an inch of butter in each of the bottom four corners of the pan. (B) Use a butter knife to remove excess butter. Use a spatula to score small bumps on the surface of the dish by lightly tapping the butter over the area. (C) You will not need to use the entire stick, so only expose 1 end of the butter. [title] Make fruit crisp using a variety of fruits. (D) [title] Wash two large fruit pistachios in warm water. [title] Mash them with a fork or another food processor until they are smooth.

A: C
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Q: [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: A
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Q: [header] How to use a kick board [title] Rest your chest on top of the kickboard. [step] Positioning your upper body on the kickboard will help you float so you can learn to kick your legs while swimming. Place your chest on top of the kickboard so that your ribs are supported while your stomach is in the water. <sep> (A) [title] Hold the kickboard in both hands. [step] You can put your hands through the holes in the kickboard, if applicable. (B) [substeps] Place your hands on either side of the kickboard from front to back and keep your head in the water. You should be covering your body completely with the kickboard. (C) [substeps] The kickboard should be positioned in the same spot on your body that it was on when you were first learning how to kick. [title] Extend your leg or arm behind you, up and toward the front of the board. (D) [title] Bend your arms and legs, bringing them above your head. [step] Pull your knees toward your chest, then use them to lift your upper body up in the water.

A:
A
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