The correct answer is B. Bagasse.
Bagasse is the fibrous residue left after sugarcane or sugar beet stalks are crushed to extract their juice. It is a major byproduct of sugar production and is used as a fuel, a fiber, and a raw material for making paper, building materials, and other products.
Molasses is a thick, dark syrup that is left after sugar has been crystallized from sugarcane or sugar beet juice. It is used as a sweetener, a flavoring, and a preservative.
Whey is the liquid that remains after milk has been curdled and the curds have been separated. It is a good source of protein and lactose.
Biomass is any organic material that can be used as a fuel. It includes plant materials, animal waste, and sewage sludge.