Task: Question Answering
Input (English): Question: Intestinal absorption of carbohydrates by absorptive cells: 
 Options:  <1> It can be carried out with monosaccharides and disaccharides. <2> Sucrose is transported by sucrase. <3> Glucose is transported by facilitated diffusion and by Na + -dependent facilitated transport. <4> The facilitated glucose transporters, which do not bind Na +, are located on the luminal side of the absorptive cell. <5> Glucose and fructose are absorbed by transporters other than glucose.
Output (English): 3