Jack and Jill Are in an Experiment Where They Are

Jack and Jill are in an experiment where they are asked to administer electric shocks to someone. Jack refuses to participate and walks out of the room. Jill is now

A) more likely to refuse to deliver the shocks too.
B) more likely to deliver the shocks.
C) neither more nor less likely to deliver the shocks.
D) going to be more obedient to the experimenter.