A straight line through the point $A(3,4)$ is such that its intercept between the axis is bisected at A. Its equation is

Question

$\begin{array}{1 1}(A)\;x+y=7\\(B)\;3x-4y+7=0 \\(C)\;4x+3y=24 \\(D)\;3x+4y=25 \end{array}$