The answer is B..3 1/2 cups
The answer is B 3 1/2 cups because when she filled it the sixth time it was already 3 cups and the seventh time was 1/2 cup.
Stacey used a total of 3.5 cups of flour for her cake recipe, which is equivalent to filling her one-half cup measuring cup seven times. Therefore, the correct option is B. 3 and a half cups.
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