Stream of consciousness which came much later than the Romantic writers and artists.
The Second one has to be B. It cannot be the last 2. We as a species have failed to live up to the Romantic ideal. He is lecturing all people, not writing for them. He is disappointed in man's behavior.
I'm sorry I don't know the answer to the third one. My guess would be allusion. He is referring to Greek gods.
basically what answer C is saying is that "Are you afraid to perform this act and take the blame for your actions? Knowing that this is what will help you to obtain the throne."