In human beings, when the process of digestion is completed, the (i) proteins, (ii) carbohydrates, and (iii) fats are respectively finally converted into:

According to the NCERT text, the enzymes present in the intestinal juice finally convert proteins to amino acids, complex carbohydrates into glucose, and fats into fatty acids and glycerol. Option A is incorrect because it misses glycerol as a product of fat digestion. Option C has the incorrect order of products. Option D lists 'sugars' instead of specifically glucose for carbohydrates and has the wrong order for proteins.