The correct answer is the <em>stream of consciousness</em>. The technique is used to describe the many feelings and thoughts character passing through his mind. We can observe it in the character of Septimus.
Wavered means moving unsteadily, quivered is synonymous with shiver or shake, burst is used when something happens suddenly and with force and throb is a shrilling voice according to the excerpt definitions. The nature of the words gives us a sense of <em>intense, anxiety and fear.</em>
There is a poem called "The Second Coming" by William Butler Yeats questioning the nature of humanity after the First World War. There are lines<em> "Things fall apart; the center cannot hold"</em> is relevant with the description of the excerpt.