A Square Loop of Wire Has a Current Going Around

Multiple Choice

A square loop of wire has a current going around it.The magnetic field from the current on each side of the loop results in a magnetic force on the wire on the opposite side.Each resulting magnetic force on the opposite side wire

A) pushes inward on the loop.
B) is actually zero since a current cannot push on itself.
C) depends on whether the current is clockwise of counterclockwise.
D) pushes outward on the loop.