Explanation

(c)
Cellulose is a polysaccharide, composed of D-glucose units which are joined by $\beta$- glucosidic linkages. On complete hydrolysis cellulose produces D-glucose
$\left( {C_{6}}_{10}H_{10}O_{5} \right)_{n} + nH_{2}O\ \overset{\ H^{+}\ H}{\rightarrow}\ nC_{6}H_{12}O_{6}$
Cellulose D-glucose