If the sum of the roots of the quadratic equation $3x^2+(2k+1)x-(k+5)=0$ is equal to the product of the roots, then the value of $k$ is ________

Question

$(A) \;k=-4\\(B)\;k=4\\(C)\;k=\large\frac{1}{4}\\(D)\;k=-\large\frac{1}{4}$