Carbohydrates must be broken down into in order for proper absorption to occur in the

The answer is monosacchrides and small intestines

Carbohydrates, which include sugars and starches, amylase enzymes in the mouth and small intestines. In the small intestines, other enzymes that breakdown sugars include lactase, sucrase, and maltase. The carbohydrates are broken down into their purest form before absorption. 
These elementary forms include sucrose, fructose, and lactose which are easily absorbed in the ileum of the intestine. 

Cis your correct answer