Dietary fiber has been recommended for its possible benefits in reducing heart disease by lowering blood cholesterol. how is fiber thought to play its role in lowering blood cholesterol? a. soluble fiber converts dietary cholesterol into bile, which is recycled for use in the digestive process. b. viscous fiber binds with bile in the intestine and is excreted in feces. c. insoluble fiber converts to bile in the large intestine and binds with cholesterol. d. soluble fiber binds with cholesterol in the blood and is excreted by the liver. e. insoluble fiber binds with cholesterol in the large intestine and is excreted in feces.