AHSME 1962 Problem 4

If $8^x = 32$, then $x$ equals: $\textbf{(A)}\ 4 \textbf{(B)}\ \frac{5}{3} \textbf{(C)}\ \frac{3}{2} \textbf{(D)}\ \frac{3}{5} \textbf{(E)}\ \frac{1}{4}$