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".

[EX Q]: [header] How to change a drill bit [title] Loosen the chuck. [step] The chuck is piece on the end of the drill that loosens and tightens to hold the bit. Grasp the chuck with one hand while you hold the handle of the drill with your other hand. <sep> (A) Loosen the chuck by sliding the drill bit along one side. If you have known it already, it will already be loose, but there is a screw on the end of the piece that holds the bit in place. (B) Use extra leverage as you slowly press down on the chuck to loosen it. [substeps] Keep your eye on the chuck while you are tightening it. (C) Twist the chuck counterclockwise to loosen it. Another option is to pull the trigger gently while holding the chuck. (D) Begin to tighten the chuck by turning it clockwise so that the chuck remains firmly in place. Use your wooden allen or long-handled allen key to turn the chuck clockwise until it is firmly within the drill's circle.
[EX A]: C

[EX Q]: A ladle is shown next to the bowl. The man ladles the pancake batter onto the griddle. The man flips the pancakes. the pancake <sep> (A) batter is given to the batter. (B) is brought to a plate and spread on it. (C) pans off onto the floor. (D) is placed on a plate and syrup is poured on it.
[EX A]: D

[EX Q]: [header] How to make a dollar bill bow tie [title] Fold the bill in half. [step] To begin making this classic, somewhat chunky dollar bill bow tie, place an unfolded dollar bill on a flat surface. Then fold the bill in half lengthwise so that the two shortest sides meet up together. <sep> (A) This opens up the bottom of the bill. [substeps] Make sure that you use sewing pins and clips to securely secure the folds, otherwise you will end up with an uneven bow. (B) [title] Fold the dollar bill in half widthwise. [step] After the first fold, make another fold, this time folding widthwise or " hot dog style, " so that the longest sides of the dollar bill meet up together. (C) Holding one strip of scotch tape roughly 1/8th of the length of the bill, fold both ends in half so that they meet up with the rest of the bill. [title] Cut the ribbon about " away from the crease. (D) This will draw attention away from the bill and upward toward your eyes. Do this entire article in less than three minutes, and you should get three distinct ways to make the bow : [substeps] Fold the bill in half diagonally.
[EX A]:
B