The significance of this quote is Montag's realization of what his job is actually about and what it implies. He became a fireman because he was meant to. However, he is now haunted by this new feeling and does not know anymore what is right and what is wrong.
C) We went to hear the man himself speak.
Himself is an intensive pronoun. Intensive and reflexive pronouns end use the object form of the pronoun and end in -self. Intensive pronouns are found immediately after the antecedent. In this case, after "man" because "himself" is intensifying "man".
1-Accent
Emphasis or stress placed on a syllable or word.
2-Imperative
A sentence that makes a command or request.
3-Inflection
The changes in tone or pitch our voices make.
4-Juncture
A pause used in speech.
5-Pause
A break or time of waiting that gives emphasis or signals the end of a sentence or phrase.
6-Pitch
The various tones a voice uses when speaking.