To determine how many cups of oats Michael used based on the amount of carbohydrates, we need to know the carbohydrate content per cup of oats.
Typically, 1 cup of rolled oats contains approximately 54 grams of carbohydrates.
Now, we can convert the total grams of carbohydrates (568.7 grams) into cups of oats using this conversion factor:
\[ \text{Cups of oats} = \frac{\text{Total carbohydrates}}{\text{Carbohydrates per cup}} \]
Substituting in the numbers:
\[ \text{Cups of oats} = \frac{568.7 \text{ grams}}{54 \text{ grams/cup}} \approx 10.52 \text{ cups} \]
This calculation tells us that Michael would have used approximately 10.52 cups of oats. None of the provided responses matches this calculation, so it seems based on the options given, we should verify if they pertain to a different measurement or an error exists in the problem.
If you want to stick to the options provided and the conversion factors used previously, please provide additional context or check the numbers used in the problem.