If $\alpha$ and $\beta$ are the roots of the equation $5y^2-7y+1=0$,then the value of $\big(\large\frac{1}{\alpha}+\frac{1}{\beta}\big)$ is _______

Question

$\begin{array}{1 1}(A) \;7\\(B)\;-7\\(C)\;\pm 7\\(D)\;\text{None of the above}\end{array} $