Graduate Student Elisa Set Out to Do an Ethnography About

Graduate student Elisa set out to do an ethnography about public library patrons but found nothing new or interesting to investigate.She worried that her project was failing,but she followed Alice Goffman's research experience (the work that resulted in the book On the Run) ,so she

A) changed her research role from observer to participant observer.
B) quickly abandoned the first project and developed a new one in a different setting.
C) stayed in her setting,but followed a different line of inquiry.
D) replicated an existing ethnography that was successful.