What Best Describes the Purpose of Brush Border Enzymes

What best describes the purpose of brush border enzymes?

A) To break down starches to the disaccharide maltose.
B) To break down oligosaccharides and disaccharides to monosaccharides such as maltose.
C) To break down starch to monosaccharides such as glucose and fructose.
D) To break down oligosaccharides and disaccharides to monosaccharides such as fructose and glucose.