The correct option is C Extend shelf life
Trans fats, also known as trans fatty acids, are created when hydrogen is added to vegetable oil to keep foods solid and to extend their shelf life. Trans fats are often found in packaged baked goods, such as cookies, crackers and frozen pies, snack foods such as, microwave popcorn, certain margarines, coffee creamer, refrigerated dough products, frozen pizza, fast foods etc. Trans fats raise the risk of heart disease by raising the level of “bad cholesterol” (LDL). Trans fats have been linked to cancer, diabetes and stroke, as well.