Final answer:
Most french fries do not contain gluten. Gluten is mainly found in wheat, barley, and rye, which are not ingredients in plain potatoes used for fries. Cross-contamination is a concern for gluten-free diners.
Step-by-step explanation:
The element from the given options that does not contain gluten is b. Most french fries. Gluten is a protein found in grains such as wheat, barley, and rye, which are commonly used in products such as bread and beer. Most french fries are made from potatoes, which are naturally gluten-free. However, it's important to note that cross-contamination can occur if the fries are cooked in the same oil as gluten-containing foods or if they have added coatings or seasonings that contain gluten.
While wheat-based foods like those found in most breads and most cereals typically contain gluten, and most beers contain gluten as they are brewed from barley, it's crucial for people with conditions like celiac disease to pay close attention to the ingredients and preparation methods of their food and beverages.