In the Research Reported by Hollander in Which Confederates Either

In the research reported by Hollander in which confederates either followed or did not follow group norms, which of the following was found?

A) The confederate's opinions were adopted more often when he had followed group norms on the previous trial.
B) The confederate's opinions were adopted more often when he had violated group norms on the previous trial.
C) The confederate's opinions were adopted more often when he not given any opinion on the previous trial.
D) The confederate's opinions were adopted more often when he had challenged the opinions of others on the previous trial.