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Among the options provided, whole grain bread is not a simple carbohydrate. Here's why:
1. **Simple Carbohydrates:** Simple carbohydrates are sugars that are easily and quickly digested by the body, providing a rapid source of energy. Foods like milk, syrup, and cookies typically contain simple carbohydrates due to their high sugar content, leading to a quick spike in blood sugar levels.
2. **Whole Grain Bread:** Whole grain bread, on the other hand, contains complex carbohydrates. These carbohydrates take longer to digest compared to simple carbohydrates as they are made up of longer chains of sugar molecules. The fiber and nutrients present in whole grains slow down the digestion process, leading to a more gradual release of energy into the body.
In summary, whole grain bread is not a simple carbohydrate because it contains complex carbohydrates that provide a slower and sustained release of energy compared to the quick energy boost provided by simple carbohydrates found in milk, syrup, and cookies.