How Did Alice Goffman,a Sociology Graduate Student at the Time,gain

How did Alice Goffman,a sociology graduate student at the time,gain access into the lives of low-income Philadelphia men on the run from police?

A) As a complete participant,she posed as a drug addict on the run from police.
B) As a covert observer,she watched these men from her vehicle or from nearby buildings.
C) As a participant observer,she gained access by tutoring young people and meeting their families.
D) As an observer,she gained access by observing public school students along with other school professionals.