Answer : The correct option is, (C) Sucrose.
Explanation :
Organic molecule : It is defined as the molecule that is made up of carbon atoms and other atoms like hydrogen, oxygen and nitrogen are attached to it and carbon atoms can be present in the rings or long chains.
Organic molecule usually found in living systems.
From the given options, we conclude that the option C (sucrose) is an organic molecule because it is a disaccharide which is composed of two monosaccharide (glucose and fructose).
The chemical formula of sucrose is,
Hence, the organic molecule is, sucrose.