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