Magnetic Field and Force

Two wires are aligned side by side as shown above. They are both hooked into different circuits in which the current is off. A switch is closed, allowing current to flow into each circuit. Which of the following statements is correct?

a)   The two currents destructively interfere with each other.

b)   The two currents constructively interfere with each other.

c)   The two wires attract each other and move closer.

d)  The two wires repel and move away.

e)   The two wires remain still.