In a non polar $AX_2$, the bond moment of $AX$ is 0.56D then the bond angle of $AX_2$ is

Question

$\begin{array}{1 1}(a)\;180^{\large\circ}&(b)\; 90^{\large\circ}\\(c)\;45^{\large\circ}&(d)\;30^{\large\circ}\end{array}$