Burger (2009) Used a Milgram-Type Procedure in Which There Were

Burger (2009) used a Milgram-type procedure in which there were two 'teachers', one confederate and the other, the participant. Sitting side-by-side before the shock machine, the confederate teacher refused to participate when the shock level reached 90 volts. What were the results?

A) more participants refused as well
B) fewer participants refused to continue
C) the refusal had no significant effect on the participant's behavior
D) only female participants followed the confederate
E) only male participants followed the lead of the confederate 'teacher'