Theme or tone because in the theme the Narrative speaks like what is happened and more but in tone you will know when he speaks like one.
Intensive pronouns are used to add emphasis to the subject of the sentence.
The correct answer would be C) We went to hear the man himself speak.
The intensive pronoun in that sentence is the word himself.
If you mean how does use of questions contribute to the development of ideas in general, then it makes the raiders think as they read.