Final answer:
The correct option is A, "We need to buy more sugar," she said, "before it runs out!"
Step-by-step explanation:
The correct option is A, "We need to buy more sugar," she said, "before it runs out!" The comma is used to set off the dialogue tags "she said" from the actual spoken words. This helps to clarify the speaker and provide a smoother reading experience.
Learn more about using a comma to set off dialogue tags