If $\large\frac{4}{5}$$,a,2$ are the consecutive terms of an A.P,then the value of $a$ is _____

Question

$\begin{array}{1 1}(A) \; 0\\(B)\;\large\frac{1}{5} \\(C)\;\large\frac{7}{5}\\(D)\;\large\frac{2}{5}\end{array}$