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 pull apart garlic bread [title] Combine the water, sugar, and yeast. [step] Pour 1/2 cup (120 ml) of warm water into a large mixing bowl or one that will fit in a stand mixer. Sprinkle 1 teaspoon of active dry yeast and 1 tablespoon of white sugar over the water. <sep> (A) Mix the mixture well until it forms stiff peaks. [substeps] You can substitute dark brown sugar for the active dry yeast, if you prefer. (B) [substeps] You can substitute sugar for the yeast if you prefer. Flavorings that have active dry yeast will help the bread bind together better. (C) Set the mixture aside for 5 to 10 minutes. You don't need to stir it yet. (D) Mix everything together until the mixture forms a good paste and stiff peaks. [substeps] You can use more active dry yeast.
Output:
C