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 prepare grapefruit for serving [title] Cut the grapefruit horizontally at its center. [step] Take a large, sharp knife and cut the grapefruit horizontally into two halves. [substeps] If you are unsure where the top and bottom of the grapefruit are, find the two dots, or navels, on the grapefruit at opposite ends. <sep> (A) These are the outer halves of the grapefruit. Scrape off the center area of the grapefruit with your knife to separate it. (B) For quick and easy preparation, having a multifunction blender should actually do the trick. [title] Blend the grapefruit and other citrus juice together in a medium bowl. (C) These are the top and bottom of the grapefruit. Think of these dots as the " poles " of the grapefruit, like the poles of the earth. (D) These dots should either be on the inside of the grapefruit, or create a tilted triangle around one end. [title] Separate the grapefruit into two halves, sticky side up.
Output:
C