What Is Meant by an "Etic" Perspective and What Is

What is meant by an "etic" perspective and what is one critical problem some people have with it in ethnographic research?

A) Etic is the perspective held by insiders, which sometimes is seen as privileging powerful members of the culture being studied at the expense of other members.
B) Etic is the perspective held by insiders, which sometimes is seen as producing a biased account because members tend to want to put their culture in the best possible light.
C) Etic is the perspective held by outsiders, which sometimes is seen as a more accurate and in-depth reflection on the culture than members can perceive themselves.
D) Etic is the perspective held by outsiders, which sometimes is seen as privileging the power of the researcher over the members of the culture being studied.