In the circuit shown, if a wire is connected between points A and B, how much current will flow through it?

Question

 

$\begin {array} {1 1} (A)\;5A & \quad (B)\;\large\frac{10}{3}A \\ (C)\;\large\frac{20}{3}A & \quad (D)\;\large\frac{5}{3}A \end {array}$