Two Long Parallel Wires Are Placed Side-By-Side on a Horizontal

Two long parallel wires are placed side-by-side on a horizontal table. If the wires carry current in opposite directions,

A) one wire is lifted slightly as the other is forced against the table's surface
B) both wires are lifted slightly
C) both wires are forced against the table's surface
D) the wires attract each other
E) the wires repel each other