Question

sweetened foods often contain simple sugars and are known as options: monosaccharides, polysaccharides, phospholipids

Explanation:

Simple sugars are also called monosaccharides. Polysaccharides are complex carbohydrates (made of multiple monosaccharide units), and phospholipids are a type of lipid (not sugars), so the correct term for sweetened foods' simple sugars is monosaccharides.

Answer:

monosaccharides