In a Group-Influence Task Such as the Line Judging Experiment

In a group-influence task such as the line judging experiment described in the text, a single dissenter can make it more likely that others resist the urge to conform if they:

A) answer correctly against the majority of the group.
B) are disrespectful of those holding the majority opinion.
C) answer incorrectly but against the majority of the group.
D) are friendly toward the leader of the group.
E) answer against the majority of the group, whether they are correct or not.