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 crumpets [title] Sift the flour and cream of tartar together into a bowl. [title] In a medium bowl, mix the yeast and the sugar together with of a cup of warm water, and let stand until the water becomes foamy. [step] Stir in the remaining lukewarm water. <sep> (A) [title] Mix the yeast mixture into the flour mixture, and beat vigorously for two minutes, or until you get a thick, yet smooth batter. [title] Cover the bowl with cling wrap and let it stand in a warm spot until the batter rises and then falls. (B) [title] Gradually add the seeds, and gradually work the oats into the flour, depending on how gluten free the mixture is. [step] Pour the flour and wet ingredients through the dough and into a bowl. (C) [title] In another medium bowl, beat the eggs 1 minute at low speed, and then add the butter mixture and whisked milk. [step] Wait until the eggs and milk are incorporated in the flour mixture. (D) When the batter starts to rise, add in the sugar; to avoid misquasing the yeast, continue to stir it as often as needed until the consistency has doubled. [title] Drop flour into the dough, brush with oil or with a wooden spoon, then shape into the crumpets.
Output:
A