The correct option is B Stomach
Stomach lies between the esophagus and the small intestine of the alimentary canal. Absorption of water, simple sugars and alcohol take place in this region.
Oral cavity helps in the mastification of food by mixing it with saliva. Some drugs are absorbed into the body through the mouth and lower surface of the tongue that is lined with blood capillaries.
The nutrients absorbed in the small intestine are : Glycerol, fattyacids, fructose, glucose and aminoacids.
In the large intestine water, minerals and drugs are absorbed.