Two-organic substances are labelled K and L if K gave a blue-black colour with iodine solution and L gave a deep red precipitate with Million’s reagent, it can be concluded that

A. K is a carbhydrate and L is a protein
B. K is alkaline and L is acidic
C. K is unsaturated and L is a reducing sugar
D. K is a reducing agent and L is an amino acid

Correct Answer: Option A

A. K is a carbhydrate and L is a protein