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What do the stage directions (bowing a little distantly) reveal about the character of Peter Stockmann?

A) He is courteous, but cold, to Hovstad.

B) He is pompous and vain pretending to be something he is not.

C) He is a man of ceremony and tries to show others how to behave.

D) He is unsure of his role in this house, and so he hesitates as he greets Hovstad.