Teacher: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".
Teacher: Now, understand the problem? Solve this instance: [header] How to make cookie dough bark [title] Prepare a pan and set up a double boiler. [step] Get out a jelly roll pan and line it with waxed paper. Set the pan aside and get out a medium saucepan. <sep> (A) Fill the saucepan with 4 cups (360 g) of water. Set a large skillet on the stove and turn the heat on medium high. (B) Make sure the pan is big enough to hold all the flour. Put the butter, egg, half of the cinnamon sticks and butter into the pan. (C) Pour milk or cream and sugar into the saucepan with the melted butter. Bring the milk or cream to a boil over medium heat. (D) Pour 1 inch (2.5 cm) of water in the pan and put it on the stove over medium-high heat. Set a clear oven-safe bowl over the saucepan.
Student:
D