Given the task definition and input, reply with output. 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".

[header] How to make bread stuffing [title] Preheat the oven. [step] Set the temperature of the oven to 180 c. [title] Toast the cubed bread and then place it in a bag and crumble it by rolling it with a rolling-pin or wine bottle. <sep> (A) [title] Beat the butter in a small bowl with a wooden spoon or spatula until soft and glossy. [title] Press the dough into a dough dish. (B) [step] Place the saucepan on a medium-high heat. Once the pan is hot, add the butter, onions, and celery. (C) [title] Coat a 9-inch (23-cm) baking dish with cooking spray. [title] Place the rolled bread inside a shallow baking dish. (D) [title] Toast the butter over medium heat until it turns golden and is hot to the touch. [title] Pour the mixture over the flour and olive oil.
B