Read the excerpt below and answer the question.

The incident had occurred and was gone for me: it was an incident of no moment, no romance, no interest in a sense; yet it marked with change one single hour of a monotonous life. My help had been needed and claimed; I had given it: I was pleased to have done something; trivial, transitory though the deed was, it was yet an active thing, and I was weary of an existence all passive. (chapter 12)

The underlined portion of text highlights the irony of this incident because_____.

Jane is accustomed to interacting with men, yet this interaction startles her
while women’s roles were restrictive during the period, Jane fears independence
Jane notes the contrast between the nature of the act and the meaning that it held for her
although she does not know it, the reader is aware that this moment will determine Jane’s fate