The literary theme here is that women have a difficult time because nobody takes them seriously, or at least that's what it was like in the first half of the 20th century. Many people believed that women shouldn't be taken seriously and shouldn't have things like voting rights or rights to work or similar things because they were considered to be less serious than men, and that's putting it nicely because many people were not nice to them.
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.