How should we cross the road if there is no traffic light or zebra-line?

Question

$\begin{array}{1 1} (a)\; \text{Look at first right-left-right} \\ (b)\; \text{Look at first right-back side-left} \\ (c)\; \text{Look at first opposite side-left-right} \\ (d)\; \text{Look at first left-right and left} \end{array}$