When elemental bromine $(Br_2)$ reacts with a solution of sodium iodide (Nal)

Question

$\begin{array}{1 1} \text{(a) bromine will be reduced} \\ \text{(b) bromine will be oxidized} \\ \text{(c) iodine will be reduced } \\ \text{(d) sodium will be reduced } \end{array}$