The Direction of the Force Exerted on a Current-Carrying Wire $\vec { B }$

The direction of the force exerted on a current-carrying wire in a magnetic field is

A) perpendicular only to the current.
B) perpendicular only to the $\vec { B }$ field.
C) perpendicular to both the current and the $\vec { B }$ field.
D) in the direction opposite to the current.
E) in same direction as the current.