2D Motion

At time t0 a ball is shot out of a cannon that is oriented horizontally at a height H above the ground.  Also at time t0 an identical ball is released from the same height.  Which ball hits the ground first?

A. The cannon ball
B. The dropped ball
C. The cannon ball since the horizontal air resistance is greater than the vertical air resistance.
D. The dropped ball since the vertical air resistance is greater than the horizontal air resistance.
E. They hit the ground at the same time.