Which type of carbohydrates are found in whole-grain breads, whole-grain pasta, rice, and vegetables?

The correct answer is complex carbohydrates. These carbohydrates are made up of long chains of sugar molecules, which provide a steady release of energy and are beneficial for overall health. Whole-grain breads, whole-grain pasta, rice, and vegetables contain complex carbohydrates because they are formed from natural grains and fibrous plant materials.

Complex carbohydrates are typically rich in fiber, vitamins, and minerals, which contribute to better digestive health and can help maintain steady blood sugar levels. This is in contrast to simple carbohydrates, which are quickly digested and can cause rapid spikes in blood sugar.

Starchy carbohydrates are indeed a subclass of complex carbohydrates, as they consist of starches found in foods such as potatoes and grains. However, when discussing the broader category of carbohydrates that these foods belong to, the term "complex carbohydrates" is more encompassing.

Saturated, on the other hand, refers to a type of fat rather than carbohydrates and would not apply in this context. Thus, complex carbohydrates accurately represent the type of carbohydrates found in the specified foods.