The correct option is
A Two glucose molecules
The disaccharide is composed of the two monosaccharide units. The maltose is an example of a disaccharide which is made up of the two glucose units attached by the α-1,4 glycosidic linkage. This is the glycosidic linkage between the α-anomeric form of C-1 on one sugar and the hydroxyl oxygen atom on C-4 of the adjacent sugar.
Thus, the correct answer is option C.
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