Instructions: 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 oreo cookie balls [title] Place the cookies into a blender or food processor. [step] Don't take the cookies apart. Just place the entire cookie inside the blender/food processor. <sep> (A) [substeps] Make sure that you have coffee grounds or sugar on the side. For maximum, make sure that everything is touching the grinder. (B) Add the milk and water if you don't have a food processor or start the blender on low. [title] Blend for 1 minute, or until the mixture is stiff. (C) If the cookies don't fit in your blender/food processor, then you will need to blend them in batches. [substeps] If you don't have either of those, place the cookies into a plastic, resealable bag. (D) [title] Blend the ingredients on high until well blended. [step] If you don't have a food processor, go to a food processor and blend everything well.
Output:
C