[A] : Molecules of fatty acid, glycerol, sugars and amino acids are absorbed by the huge number of villi that line the intestinal wall.
[R]: Absorption involves active transport and requires an expenditure of cellular energy
A. If both A and R are true and R is the correct explanation of A
B. If both A and R are true but R is not the correct explanation of A
C. If A is true and R is false
D. If both A and R are false