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 seafood sauce [title] Combine 12 tablespoons (180 ml) ketchup , 4 tablespoons horseradish, and 4 tablespoons lemon juice in a medium-sized bowl. [step] Stir vigorously. [title] Add celery salt and tabasco sauce to taste. <sep> (A) [step] Add one section of the reserved ketchup and stir again. [title] Transfer to a covered container or storage container. (B) [step] Stir gently in 2 tablespoons (10 ml) of freshly ground beef broth and 2 tablespoons (30 ml) of minced garlic. [substeps] If using mince, a pinch of salt is added instead. (C) [title] Refrigerate for one hour to chill and then serve. [step] Optionally, add lemon wedges to the dish so guests can squeeze in extra flavor. (D) [step] Allow to cook, covered, for 20 minutes. [title] Add shrimp and rock shrimp to the fish mixture.
Output:
C