Answer:
I believe that the correct answer is the third one: <em>arrogance</em>. The phrase <em>growing feathers</em> represents arrogant tone in the speaker.
Explanation:
When reading that particular line: "<em>These growing feathers plucked from Caesar's wing / Will make him fly an ordinary pitch,</em>" we can feel the arrogance in the tone of the speaker. Specially, when reading the word <em>plucked</em>, like the feathers were stolen from Caesar, like he feels proud of it. It represents an arrogant tone in FLAVIUS.
Antony's speech is a turning point for the conspirators. Caesar has been murdered, and the conspirators have explained the situation. Although Antony does not openly disagree with them, we see that he believes the act was wrong when he adresses the crowd. Brutus has already talked to the people, and he argued that Caesar was killed out of love for Rome. Antony, however, turns the crowd against them. He reminds the people of everything that Caesar did for Rome. By carefully presenting his arguments, he succeeds in turning the crowd against the conspirators.
Athenian theatre honored mainly Dionysus, god of wine and partying.