What Did Sadker and Sadker Observe with Regards to the Behaviour

What did Sadker and Sadker observe with regards to the behaviour of boys and girls in the classroom?

A) Boys were more likely to dominate discussions and girls were more likely to be reminded to raise their hands for a turn.
B) Girls were found to be more dominant in discussions and boys were left silenced in most subject areas.
C) Boys and girls displayed remarkably similar classroom behaviours with regards to calling out answers versus raising their hands.
D) Boys were more likely to achieve higher grades even though girls were more likely to study longer.