Either b or d, but i think your best bet is with d.
The quote means that Atticus is a great man who stands behind what he says and does, behaving the same in public as he does in his home. Unlike him, the others are two-faced, for example, publicly attacking Tom Robinson, while believing in the comfort of their homes that he might be innocent.
Many people of different class went to the globe theater to watch plays. About 2000 to 3000 where most of them belong to the middle to high class audience pay two or more pennies just to sit in one of the galleries. However, there were also ordinary folks or the low class audience who would pay one penny just to sit in the pit in order to watch the play.
So that you don't drift off from the topic and to make it nice and simple
