A projectile is launched at a 30° angle above the horizontal. Ignore air resistance. The projectile’s acceleration is greatest

A、at a point between the launch point and the high point of the trajectory.;
B、at the high point of the trajectory.;
C、at a point between the high point of the trajectory and where it hits the ground.;
D、misleading question — the acceleration is the same (but nonzero) at all points along the trajectory;
E、misleading question — the acceleration is zero at all points along the trajectory