An Uncharged Metal Sphere Is Placed on an Insulating Puck

Multiple Choice

An uncharged metal sphere is placed on an insulating puck on a frictionless table. While being held parallel to the table, a rod with a charge q is brought close to the sphere, but does not touch it. As the rod is brought in, the sphere

A) remains at rest.
B) moves toward the rod.
C) moves away from the rod.
D) moves perpendicular to the velocity vector of the rod.
E) moves upward off the puck.