The Diagram Shows a Straight Wire Carrying a Flow of Electrons

Multiple Choice

The diagram shows a straight wire carrying a flow of electrons into the page.The wire is between the poles of a permanent magnet.The direction of the magnetic force exerted on the wire is:

A) " $\uparrow$ "
B) " $\downarrow$ "
C) " $\leftarrow$ "
D) " $\rightarrow$ "
E) "into the page"