In the decomposition reaction of a hydrogen peroxide solution : $2H_2O_2 (aq) \to 2H_2O(l) +O_2(g)$

Question

$\begin{array}{1 1} \text{(a) the hydrogen is being oxidized} \\ \text{(b) the hydrogen is being reduced } \\ \text{(c) the oxygen is being oxidized } \\ \text{(d) the oxygen is being reduced } \end{array}$