Which one of the following statement is true regarding digestion and absorption of food in humans :

1. A. About 60% of starch is hydrolysed by salivary amylase in our mouth
2. B. Oxyntic cells in our stomach secrete the proenzyme pepsinogen
3. C. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na +
4. D. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries

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