The Original Learned Helplessness Experiments Placed Dogs in a Harness

The original learned helplessness experiments placed dogs in a harness where they were exposed to electric shocks. Later, the dogs were placed in a shuttle-box where they experienced more shocks. The dogs that exhibited learned helplessness

A) quickly learned to escape the shocks in a shuttle-box.
B) failed to escape the shocks in the shuttle-box.
C) escaped the shocks in the shuttle-box but only after several trials.
D) escaped the shuttle-box shocks but then showed signs of helplessness.