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

Responses
A He is courteous, but cold, to Hovstad.He is courteous, but cold, to Hovstad.
B He is pompous and vain pretending to be something he is not.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.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.

A He is courteous, but cold, to Hovstad.