An uncharged metal sphere is placed within a uniform electric field. Which of the following is true about the net force and torque on the sphere? （ ）

A、The net force and net torque are both zero.
B、The net force is against the direction of the field, and the net torque is against the direction of the field.
C、The net force is zero and the net torque is in the direction of the field.
D、The net force is in the direction of the field, and the net torque is in the direction of the field.
E、The net force is zero and the net torque is against the direction of the field.