Definition: 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".
Input: [header] How to make eggless chocolate cake [title] Preheat the oven. [step] The oven should be preheated to 350f/180c. find a 9 " x9 " baking pan, and spray the pan with non-stick spray. Set the pan aside for now. <sep> (A) [title] Grease a 9 " round loaf pan. [step] Combine the filling and butter in a clean clean area (preferably in a piping bag). (B) [title] Beat the eggs and milk with a paddle attachment. [step] Increase the speed and beat until the eggs are creamy and prevent whites from curdling. (C) If you don't have non-stick spray, grease the pan with oil or butter and then dust it with a little flour. [title] Sift the flour and cocoa powder. (D) [substeps] You can opt to use a pie plate, a bowl, or even a cake stand. A 9 " x 9 " pan is okay, too.
Output:
C