An Electron Traveling Horizontally Enters a Region Where a Uniform

An electron traveling horizontally enters a region where a uniform magnetic field is directed into the plane of the paper as shown.Which one of the following phrases most accurately describes the motion of the electron once it has entered the field?

A) upward and parabolic
B) upward and circular
C) downward and circular
D) upward, along a straight line
E) downward and parabolic